Home / 132,000.20-198,000.30-82,233.80

Finding the Fourth Proportional to 132,000.20, 198,000.30 and 82,233.80

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Solution

The fourth proportional to 132,000.20, 198,000.30 and 82,233.80 is: 123,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.20 : 198,000.30 = 82,233.80 : x
  2. Step 2: Convert to fraction form
    132,000.20/198,000.30 = 82,233.80/x
  3. Step 3: Cross multiply
    132,000.20x = 198,000.30 × 82,233.80
  4. Step 4: Simplify right side
    132,000.20x = 16,282,317,070.14
  5. Step 5: Solve for x
    x = 16,282,317,070.14/132,000.20
  6. Step 6: Final answer
    x = 123,350.70

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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.