Home / 127,329.60-191,198.40-101,251.20

Finding the Fourth Proportional to 127,329.60, 191,198.40 and 101,251.20

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Solution

The fourth proportional to 127,329.60, 191,198.40 and 101,251.20 is: 152,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.60 : 191,198.40 = 101,251.20 : x
  2. Step 2: Convert to fraction form
    127,329.60/191,198.40 = 101,251.20/x
  3. Step 3: Cross multiply
    127,329.60x = 191,198.40 × 101,251.20
  4. Step 4: Simplify right side
    127,329.60x = 19,359,067,438.08
  5. Step 5: Solve for x
    x = 19,359,067,438.08/127,329.60
  6. Step 6: Final answer
    x = 152,039.02

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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.