Finding the Fourth Proportional to 212,265.68, 292,916.04 and 116,769.92
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Solution
The fourth proportional to 212,265.68, 292,916.04 and 116,769.92 is: 161,136.66
Step by Step Solution
- Step 1: Write the proportion equation
212,265.68 : 292,916.04 = 116,769.92 : x - Step 2: Convert to fraction form
212,265.68/292,916.04 = 116,769.92/x - Step 3: Cross multiply
212,265.68x = 292,916.04 × 116,769.92 - Step 4: Simplify right side
212,265.68x = 34,203,781,092.94 - Step 5: Solve for x
x = 34,203,781,092.94/212,265.68 - Step 6: Final answer
x = 161,136.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.