Home / 187,659.14-281,507.15-54,540.50

Finding the Fourth Proportional to 187,659.14, 281,507.15 and 54,540.50

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Solution

The fourth proportional to 187,659.14, 281,507.15 and 54,540.50 is: 81,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,659.14 : 281,507.15 = 54,540.50 : x
  2. Step 2: Convert to fraction form
    187,659.14/281,507.15 = 54,540.50/x
  3. Step 3: Cross multiply
    187,659.14x = 281,507.15 × 54,540.50
  4. Step 4: Simplify right side
    187,659.14x = 15,353,540,714.58
  5. Step 5: Solve for x
    x = 15,353,540,714.58/187,659.14
  6. Step 6: Final answer
    x = 81,816.11

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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.