Home / 237,505.12-356,249.04-71,288.80

Finding the Fourth Proportional to 237,505.12, 356,249.04 and 71,288.80

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Solution

The fourth proportional to 237,505.12, 356,249.04 and 71,288.80 is: 106,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,505.12 : 356,249.04 = 71,288.80 : x
  2. Step 2: Convert to fraction form
    237,505.12/356,249.04 = 71,288.80/x
  3. Step 3: Cross multiply
    237,505.12x = 356,249.04 × 71,288.80
  4. Step 4: Simplify right side
    237,505.12x = 25,396,566,562.75
  5. Step 5: Solve for x
    x = 25,396,566,562.75/237,505.12
  6. Step 6: Final answer
    x = 106,930.61

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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.