Home / 147,355.20-221,067.36-58,613.76

Finding the Fourth Proportional to 147,355.20, 221,067.36 and 58,613.76

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Solution

The fourth proportional to 147,355.20, 221,067.36 and 58,613.76 is: 87,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355.20 : 221,067.36 = 58,613.76 : x
  2. Step 2: Convert to fraction form
    147,355.20/221,067.36 = 58,613.76/x
  3. Step 3: Cross multiply
    147,355.20x = 221,067.36 × 58,613.76
  4. Step 4: Simplify right side
    147,355.20x = 12,957,589,182.87
  5. Step 5: Solve for x
    x = 12,957,589,182.87/147,355.20
  6. Step 6: Final answer
    x = 87,934.39

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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.