Home / 187,205.92-280,753.41-54,087.37

Finding the Fourth Proportional to 187,205.92, 280,753.41 and 54,087.37

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Solution

The fourth proportional to 187,205.92, 280,753.41 and 54,087.37 is: 81,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,205.92 : 280,753.41 = 54,087.37 : x
  2. Step 2: Convert to fraction form
    187,205.92/280,753.41 = 54,087.37/x
  3. Step 3: Cross multiply
    187,205.92x = 280,753.41 × 54,087.37
  4. Step 4: Simplify right side
    187,205.92x = 15,185,213,565.43
  5. Step 5: Solve for x
    x = 15,185,213,565.43/187,205.92
  6. Step 6: Final answer
    x = 81,115.03

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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.