Home / 187,342.20-281,037.60-92,620.80

Finding the Fourth Proportional to 187,342.20, 281,037.60 and 92,620.80

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Solution

The fourth proportional to 187,342.20, 281,037.60 and 92,620.80 is: 138,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,342.20 : 281,037.60 = 92,620.80 : x
  2. Step 2: Convert to fraction form
    187,342.20/281,037.60 = 92,620.80/x
  3. Step 3: Cross multiply
    187,342.20x = 281,037.60 × 92,620.80
  4. Step 4: Simplify right side
    187,342.20x = 26,029,927,342.08
  5. Step 5: Solve for x
    x = 26,029,927,342.08/187,342.20
  6. Step 6: Final answer
    x = 138,943.21

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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.