Home / 187,339.20-281,033.10-92,617.80

Finding the Fourth Proportional to 187,339.20, 281,033.10 and 92,617.80

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Solution

The fourth proportional to 187,339.20, 281,033.10 and 92,617.80 is: 138,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339.20 : 281,033.10 = 92,617.80 : x
  2. Step 2: Convert to fraction form
    187,339.20/281,033.10 = 92,617.80/x
  3. Step 3: Cross multiply
    187,339.20x = 281,033.10 × 92,617.80
  4. Step 4: Simplify right side
    187,339.20x = 26,028,667,449.18
  5. Step 5: Solve for x
    x = 26,028,667,449.18/187,339.20
  6. Step 6: Final answer
    x = 138,938.71

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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.