Home / 198,002.20-297,003.30-164,759.80

Finding the Fourth Proportional to 198,002.20, 297,003.30 and 164,759.80

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Solution

The fourth proportional to 198,002.20, 297,003.30 and 164,759.80 is: 247,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,002.20 : 297,003.30 = 164,759.80 : x
  2. Step 2: Convert to fraction form
    198,002.20/297,003.30 = 164,759.80/x
  3. Step 3: Cross multiply
    198,002.20x = 297,003.30 × 164,759.80
  4. Step 4: Simplify right side
    198,002.20x = 48,934,204,307.34
  5. Step 5: Solve for x
    x = 48,934,204,307.34/198,002.20
  6. Step 6: Final answer
    x = 247,139.70

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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.