Home / 141,982.60-212,747.10-75,335.80

Finding the Fourth Proportional to 141,982.60, 212,747.10 and 75,335.80

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Solution

The fourth proportional to 141,982.60, 212,747.10 and 75,335.80 is: 112,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.60 : 212,747.10 = 75,335.80 : x
  2. Step 2: Convert to fraction form
    141,982.60/212,747.10 = 75,335.80/x
  3. Step 3: Cross multiply
    141,982.60x = 212,747.10 × 75,335.80
  4. Step 4: Simplify right side
    141,982.60x = 16,027,472,976.18
  5. Step 5: Solve for x
    x = 16,027,472,976.18/141,982.60
  6. Step 6: Final answer
    x = 112,883.36

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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.