Home / 187,593.78-281,318.92-92,791.44

Finding the Fourth Proportional to 187,593.78, 281,318.92 and 92,791.44

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Solution

The fourth proportional to 187,593.78, 281,318.92 and 92,791.44 is: 139,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,593.78 : 281,318.92 = 92,791.44 : x
  2. Step 2: Convert to fraction form
    187,593.78/281,318.92 = 92,791.44/x
  3. Step 3: Cross multiply
    187,593.78x = 281,318.92 × 92,791.44
  4. Step 4: Simplify right side
    187,593.78x = 26,103,987,454.07
  5. Step 5: Solve for x
    x = 26,103,987,454.07/187,593.78
  6. Step 6: Final answer
    x = 139,151.67

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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.