Finding the Fourth Proportional to 294,455.20, 406,350.12 and 167,132.92
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Solution
The fourth proportional to 294,455.20, 406,350.12 and 167,132.92 is: 230,644.53
Step by Step Solution
- Step 1: Write the proportion equation
294,455.20 : 406,350.12 = 167,132.92 : x - Step 2: Convert to fraction form
294,455.20/406,350.12 = 167,132.92/x - Step 3: Cross multiply
294,455.20x = 406,350.12 × 167,132.92 - Step 4: Simplify right side
294,455.20x = 67,914,482,097.95 - Step 5: Solve for x
x = 67,914,482,097.95/294,455.20 - Step 6: Final answer
x = 230,644.53
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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.