Home / 187,948.72-281,932.56-54,838.96

Finding the Fourth Proportional to 187,948.72, 281,932.56 and 54,838.96

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Solution

The fourth proportional to 187,948.72, 281,932.56 and 54,838.96 is: 82,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,948.72 : 281,932.56 = 54,838.96 : x
  2. Step 2: Convert to fraction form
    187,948.72/281,932.56 = 54,838.96/x
  3. Step 3: Cross multiply
    187,948.72x = 281,932.56 × 54,838.96
  4. Step 4: Simplify right side
    187,948.72x = 15,460,888,380.54
  5. Step 5: Solve for x
    x = 15,460,888,380.54/187,948.72
  6. Step 6: Final answer
    x = 82,261.21

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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.