Home / 187,913.24-281,804.19-88,120.43

Finding the Fourth Proportional to 187,913.24, 281,804.19 and 88,120.43

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Solution

The fourth proportional to 187,913.24, 281,804.19 and 88,120.43 is: 132,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,913.24 : 281,804.19 = 88,120.43 : x
  2. Step 2: Convert to fraction form
    187,913.24/281,804.19 = 88,120.43/x
  3. Step 3: Cross multiply
    187,913.24x = 281,804.19 × 88,120.43
  4. Step 4: Simplify right side
    187,913.24x = 24,832,704,989.58
  5. Step 5: Solve for x
    x = 24,832,704,989.58/187,913.24
  6. Step 6: Final answer
    x = 132,149.85

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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.