Finding the Fourth Proportional to 270,949.21, 406,358.46 and 113,092.09
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Solution
The fourth proportional to 270,949.21, 406,358.46 and 113,092.09 is: 169,610.85
Step by Step Solution
- Step 1: Write the proportion equation
270,949.21 : 406,358.46 = 113,092.09 : x - Step 2: Convert to fraction form
270,949.21/406,358.46 = 113,092.09/x - Step 3: Cross multiply
270,949.21x = 406,358.46 × 113,092.09 - Step 4: Simplify right side
270,949.21x = 45,955,926,965.12 - Step 5: Solve for x
x = 45,955,926,965.12/270,949.21 - Step 6: Final answer
x = 169,610.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.