Home / 132,285.12-198,268.92-76,150.32

Finding the Fourth Proportional to 132,285.12, 198,268.92 and 76,150.32

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Solution

The fourth proportional to 132,285.12, 198,268.92 and 76,150.32 is: 114,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.12 : 198,268.92 = 76,150.32 : x
  2. Step 2: Convert to fraction form
    132,285.12/198,268.92 = 76,150.32/x
  3. Step 3: Cross multiply
    132,285.12x = 198,268.92 × 76,150.32
  4. Step 4: Simplify right side
    132,285.12x = 15,098,241,704.05
  5. Step 5: Solve for x
    x = 15,098,241,704.05/132,285.12
  6. Step 6: Final answer
    x = 114,134.09

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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.