Finding the Fourth Proportional to 169,391.04, 233,753.76 and 93,946.56
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Solution
The fourth proportional to 169,391.04, 233,753.76 and 93,946.56 is: 129,642.99
Step by Step Solution
- Step 1: Write the proportion equation
169,391.04 : 233,753.76 = 93,946.56 : x - Step 2: Convert to fraction form
169,391.04/233,753.76 = 93,946.56/x - Step 3: Cross multiply
169,391.04x = 233,753.76 × 93,946.56 - Step 4: Simplify right side
169,391.04x = 21,960,361,639.07 - Step 5: Solve for x
x = 21,960,361,639.07/169,391.04 - Step 6: Final answer
x = 129,642.99
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1.5x scale
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.