Home / 132,057.68-198,067.06-43,320.56

Finding the Fourth Proportional to 132,057.68, 198,067.06 and 43,320.56

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Solution

The fourth proportional to 132,057.68, 198,067.06 and 43,320.56 is: 64,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,057.68 : 198,067.06 = 43,320.56 : x
  2. Step 2: Convert to fraction form
    132,057.68/198,067.06 = 43,320.56/x
  3. Step 3: Cross multiply
    132,057.68x = 198,067.06 × 43,320.56
  4. Step 4: Simplify right side
    132,057.68x = 8,580,375,956.75
  5. Step 5: Solve for x
    x = 8,580,375,956.75/132,057.68
  6. Step 6: Final answer
    x = 64,974.46

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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.