Home / 187,876.11-259,308.18-172,744.86

Finding the Fourth Proportional to 187,876.11, 259,308.18 and 172,744.86

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Solution

The fourth proportional to 187,876.11, 259,308.18 and 172,744.86 is: 238,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.11 : 259,308.18 = 172,744.86 : x
  2. Step 2: Convert to fraction form
    187,876.11/259,308.18 = 172,744.86/x
  3. Step 3: Cross multiply
    187,876.11x = 259,308.18 × 172,744.86
  4. Step 4: Simplify right side
    187,876.11x = 44,794,155,250.95
  5. Step 5: Solve for x
    x = 44,794,155,250.95/187,876.11
  6. Step 6: Final answer
    x = 238,423.90

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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.