Finding the Fourth Proportional to 156,386.97, 215,812.76 and 92,754.99
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Solution
The fourth proportional to 156,386.97, 215,812.76 and 92,754.99 is: 128,001.14
Step by Step Solution
- Step 1: Write the proportion equation
156,386.97 : 215,812.76 = 92,754.99 : x - Step 2: Convert to fraction form
156,386.97/215,812.76 = 92,754.99/x - Step 3: Cross multiply
156,386.97x = 215,812.76 × 92,754.99 - Step 4: Simplify right side
156,386.97x = 20,017,709,931.90 - Step 5: Solve for x
x = 20,017,709,931.90/156,386.97 - Step 6: Final answer
x = 128,001.14
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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.