Home / 187,551.45-281,120.78-92,641.12

Finding the Fourth Proportional to 187,551.45, 281,120.78 and 92,641.12

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Solution

The fourth proportional to 187,551.45, 281,120.78 and 92,641.12 is: 138,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,551.45 : 281,120.78 = 92,641.12 : x
  2. Step 2: Convert to fraction form
    187,551.45/281,120.78 = 92,641.12/x
  3. Step 3: Cross multiply
    187,551.45x = 281,120.78 × 92,641.12
  4. Step 4: Simplify right side
    187,551.45x = 26,043,342,922.17
  5. Step 5: Solve for x
    x = 26,043,342,922.17/187,551.45
  6. Step 6: Final answer
    x = 138,859.73

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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.