Home / 250,018.38-375,115.32-72,536.04

Finding the Fourth Proportional to 250,018.38, 375,115.32 and 72,536.04

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Solution

The fourth proportional to 250,018.38, 375,115.32 and 72,536.04 is: 108,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,018.38 : 375,115.32 = 72,536.04 : x
  2. Step 2: Convert to fraction form
    250,018.38/375,115.32 = 72,536.04/x
  3. Step 3: Cross multiply
    250,018.38x = 375,115.32 × 72,536.04
  4. Step 4: Simplify right side
    250,018.38x = 27,209,379,856.13
  5. Step 5: Solve for x
    x = 27,209,379,856.13/250,018.38
  6. Step 6: Final answer
    x = 108,829.52

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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.