Finding the Fourth Proportional to 236,044.13, 325,740.93 and 128,614.17
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Solution
The fourth proportional to 236,044.13, 325,740.93 and 128,614.17 is: 177,487.58
Step by Step Solution
- Step 1: Write the proportion equation
236,044.13 : 325,740.93 = 128,614.17 : x - Step 2: Convert to fraction form
236,044.13/325,740.93 = 128,614.17/x - Step 3: Cross multiply
236,044.13x = 325,740.93 × 128,614.17 - Step 4: Simplify right side
236,044.13x = 41,894,899,346.98 - Step 5: Solve for x
x = 41,894,899,346.98/236,044.13 - Step 6: Final answer
x = 177,487.58
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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.