Home / 266,206.08-399,175.92-88,651.20

Finding the Fourth Proportional to 266,206.08, 399,175.92 and 88,651.20

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Solution

The fourth proportional to 266,206.08, 399,175.92 and 88,651.20 is: 132,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,206.08 : 399,175.92 = 88,651.20 : x
  2. Step 2: Convert to fraction form
    266,206.08/399,175.92 = 88,651.20/x
  3. Step 3: Cross multiply
    266,206.08x = 399,175.92 × 88,651.20
  4. Step 4: Simplify right side
    266,206.08x = 35,387,424,319.10
  5. Step 5: Solve for x
    x = 35,387,424,319.10/266,206.08
  6. Step 6: Final answer
    x = 132,932.44

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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.