Home / 198,469.04-297,713.30-80,125.60

Finding the Fourth Proportional to 198,469.04, 297,713.30 and 80,125.60

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Solution

The fourth proportional to 198,469.04, 297,713.30 and 80,125.60 is: 120,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,469.04 : 297,713.30 = 80,125.60 : x
  2. Step 2: Convert to fraction form
    198,469.04/297,713.30 = 80,125.60/x
  3. Step 3: Cross multiply
    198,469.04x = 297,713.30 × 80,125.60
  4. Step 4: Simplify right side
    198,469.04x = 23,854,456,790.48
  5. Step 5: Solve for x
    x = 23,854,456,790.48/198,469.04
  6. Step 6: Final answer
    x = 120,192.33

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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.