Finding the Fourth Proportional to 281,732.91, 422,599.36 and 170,691.63
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Solution
The fourth proportional to 281,732.91, 422,599.36 and 170,691.63 is: 256,037.44
Step by Step Solution
- Step 1: Write the proportion equation
281,732.91 : 422,599.36 = 170,691.63 : x - Step 2: Convert to fraction form
281,732.91/422,599.36 = 170,691.63/x - Step 3: Cross multiply
281,732.91x = 422,599.36 × 170,691.63 - Step 4: Simplify right side
281,732.91x = 72,134,173,595.36 - Step 5: Solve for x
x = 72,134,173,595.36/281,732.91 - Step 6: Final answer
x = 256,037.44
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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.