Home / 132,181.56-198,272.46-108,758.76

Finding the Fourth Proportional to 132,181.56, 198,272.46 and 108,758.76

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Solution

The fourth proportional to 132,181.56, 198,272.46 and 108,758.76 is: 163,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.56 : 198,272.46 = 108,758.76 : x
  2. Step 2: Convert to fraction form
    132,181.56/198,272.46 = 108,758.76/x
  3. Step 3: Cross multiply
    132,181.56x = 198,272.46 × 108,758.76
  4. Step 4: Simplify right side
    132,181.56x = 21,563,866,891.75
  5. Step 5: Solve for x
    x = 21,563,866,891.75/132,181.56
  6. Step 6: Final answer
    x = 163,138.24

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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.