Home / 127,488.20-191,305.20-88,073.60

Finding the Fourth Proportional to 127,488.20, 191,305.20 and 88,073.60

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Solution

The fourth proportional to 127,488.20, 191,305.20 and 88,073.60 is: 132,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488.20 : 191,305.20 = 88,073.60 : x
  2. Step 2: Convert to fraction form
    127,488.20/191,305.20 = 88,073.60/x
  3. Step 3: Cross multiply
    127,488.20x = 191,305.20 × 88,073.60
  4. Step 4: Simplify right side
    127,488.20x = 16,848,937,662.72
  5. Step 5: Solve for x
    x = 16,848,937,662.72/127,488.20
  6. Step 6: Final answer
    x = 132,160.76

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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.