Home / 187,659.10-281,507.13-54,540.52

Finding the Fourth Proportional to 187,659.10, 281,507.13 and 54,540.52

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Solution

The fourth proportional to 187,659.10, 281,507.13 and 54,540.52 is: 81,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,659.10 : 281,507.13 = 54,540.52 : x
  2. Step 2: Convert to fraction form
    187,659.10/281,507.13 = 54,540.52/x
  3. Step 3: Cross multiply
    187,659.10x = 281,507.13 × 54,540.52
  4. Step 4: Simplify right side
    187,659.10x = 15,353,545,253.91
  5. Step 5: Solve for x
    x = 15,353,545,253.91/187,659.10
  6. Step 6: Final answer
    x = 81,816.15

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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.