Home / 187,932.34-281,871.12-54,776.83

Finding the Fourth Proportional to 187,932.34, 281,871.12 and 54,776.83

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Solution

The fourth proportional to 187,932.34, 281,871.12 and 54,776.83 is: 82,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932.34 : 281,871.12 = 54,776.83 : x
  2. Step 2: Convert to fraction form
    187,932.34/281,871.12 = 54,776.83/x
  3. Step 3: Cross multiply
    187,932.34x = 281,871.12 × 54,776.83
  4. Step 4: Simplify right side
    187,932.34x = 15,440,006,422.15
  5. Step 5: Solve for x
    x = 15,440,006,422.15/187,932.34
  6. Step 6: Final answer
    x = 82,157.26

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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.