Home / 198,001.70-297,002.55-156,011.30

Finding the Fourth Proportional to 198,001.70, 297,002.55 and 156,011.30

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Solution

The fourth proportional to 198,001.70, 297,002.55 and 156,011.30 is: 234,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.70 : 297,002.55 = 156,011.30 : x
  2. Step 2: Convert to fraction form
    198,001.70/297,002.55 = 156,011.30/x
  3. Step 3: Cross multiply
    198,001.70x = 297,002.55 × 156,011.30
  4. Step 4: Simplify right side
    198,001.70x = 46,335,753,928.82
  5. Step 5: Solve for x
    x = 46,335,753,928.82/198,001.70
  6. Step 6: Final answer
    x = 234,016.95

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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.