Home / 132,282.32-198,345.72-53,399.12

Finding the Fourth Proportional to 132,282.32, 198,345.72 and 53,399.12

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Solution

The fourth proportional to 132,282.32, 198,345.72 and 53,399.12 is: 80,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,282.32 : 198,345.72 = 53,399.12 : x
  2. Step 2: Convert to fraction form
    132,282.32/198,345.72 = 53,399.12/x
  3. Step 3: Cross multiply
    132,282.32x = 198,345.72 × 53,399.12
  4. Step 4: Simplify right side
    132,282.32x = 10,591,486,903.77
  5. Step 5: Solve for x
    x = 10,591,486,903.77/132,282.32
  6. Step 6: Final answer
    x = 80,067.29

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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.