The number of adults present is 250 – 188 = <<250-188=62>>62 adults
The revenue generated by adults is 62 * 6 = $<<62*6=372>>372
The revenue generated by children is 188 * 4 = $<<188*4=752>>752
So the total ticket revenue is 372 + 752= $<<372+752=1124>>1124
#### 1124