Home / 146,731.14-220,067.55-71,819.10

Finding the Fourth Proportional to 146,731.14, 220,067.55 and 71,819.10

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Solution

The fourth proportional to 146,731.14, 220,067.55 and 71,819.10 is: 107,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.14 : 220,067.55 = 71,819.10 : x
  2. Step 2: Convert to fraction form
    146,731.14/220,067.55 = 71,819.10/x
  3. Step 3: Cross multiply
    146,731.14x = 220,067.55 × 71,819.10
  4. Step 4: Simplify right side
    146,731.14x = 15,805,053,380.21
  5. Step 5: Solve for x
    x = 15,805,053,380.21/146,731.14
  6. Step 6: Final answer
    x = 107,714.38

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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.