Home / 99,195.20-148,778.40-29,067.20

Finding the Fourth Proportional to 99,195.20, 148,778.40 and 29,067.20

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Solution

The fourth proportional to 99,195.20, 148,778.40 and 29,067.20 is: 43,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,195.20 : 148,778.40 = 29,067.20 : x
  2. Step 2: Convert to fraction form
    99,195.20/148,778.40 = 29,067.20/x
  3. Step 3: Cross multiply
    99,195.20x = 148,778.40 × 29,067.20
  4. Step 4: Simplify right side
    99,195.20x = 4,324,571,508.48
  5. Step 5: Solve for x
    x = 4,324,571,508.48/99,195.20
  6. Step 6: Final answer
    x = 43,596.58

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1.5x scale

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.