Home / 127,542.60-191,334.15-43,310.70

Finding the Fourth Proportional to 127,542.60, 191,334.15 and 43,310.70

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Solution

The fourth proportional to 127,542.60, 191,334.15 and 43,310.70 is: 64,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,542.60 : 191,334.15 = 43,310.70 : x
  2. Step 2: Convert to fraction form
    127,542.60/191,334.15 = 43,310.70/x
  3. Step 3: Cross multiply
    127,542.60x = 191,334.15 × 43,310.70
  4. Step 4: Simplify right side
    127,542.60x = 8,286,815,970.41
  5. Step 5: Solve for x
    x = 8,286,815,970.41/127,542.60
  6. Step 6: Final answer
    x = 64,972.93

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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.