Home / 132,329.20-198,493.80-82,246.90

Finding the Fourth Proportional to 132,329.20, 198,493.80 and 82,246.90

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Solution

The fourth proportional to 132,329.20, 198,493.80 and 82,246.90 is: 123,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.20 : 198,493.80 = 82,246.90 : x
  2. Step 2: Convert to fraction form
    132,329.20/198,493.80 = 82,246.90/x
  3. Step 3: Cross multiply
    132,329.20x = 198,493.80 × 82,246.90
  4. Step 4: Simplify right side
    132,329.20x = 16,325,499,719.22
  5. Step 5: Solve for x
    x = 16,325,499,719.22/132,329.20
  6. Step 6: Final answer
    x = 123,370.35

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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.