Finding the Fourth Proportional to 226,414.29, 312,454.95 and 124,449.18
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Solution
The fourth proportional to 226,414.29, 312,454.95 and 124,449.18 is: 171,741.64
Step by Step Solution
- Step 1: Write the proportion equation
226,414.29 : 312,454.95 = 124,449.18 : x - Step 2: Convert to fraction form
226,414.29/312,454.95 = 124,449.18/x - Step 3: Cross multiply
226,414.29x = 312,454.95 × 124,449.18 - Step 4: Simplify right side
226,414.29x = 38,884,761,376.08 - Step 5: Solve for x
x = 38,884,761,376.08/226,414.29 - Step 6: Final answer
x = 171,741.64
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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.