Home / 198,996.16-274,617.12-108,351.76

Finding the Fourth Proportional to 198,996.16, 274,617.12 and 108,351.76

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Solution

The fourth proportional to 198,996.16, 274,617.12 and 108,351.76 is: 149,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,996.16 : 274,617.12 = 108,351.76 : x
  2. Step 2: Convert to fraction form
    198,996.16/274,617.12 = 108,351.76/x
  3. Step 3: Cross multiply
    198,996.16x = 274,617.12 × 108,351.76
  4. Step 4: Simplify right side
    198,996.16x = 29,755,248,278.13
  5. Step 5: Solve for x
    x = 29,755,248,278.13/198,996.16
  6. Step 6: Final answer
    x = 149,526.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.