Home / 187,829.91-281,745.45-54,713.43

Finding the Fourth Proportional to 187,829.91, 281,745.45 and 54,713.43

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Solution

The fourth proportional to 187,829.91, 281,745.45 and 54,713.43 is: 82,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,829.91 : 281,745.45 = 54,713.43 : x
  2. Step 2: Convert to fraction form
    187,829.91/281,745.45 = 54,713.43/x
  3. Step 3: Cross multiply
    187,829.91x = 281,745.45 × 54,713.43
  4. Step 4: Simplify right side
    187,829.91x = 15,415,259,956.39
  5. Step 5: Solve for x
    x = 15,415,259,956.39/187,829.91
  6. Step 6: Final answer
    x = 82,070.32

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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.