Home / 198,598.38-274,002.74-123,190.62

Finding the Fourth Proportional to 198,598.38, 274,002.74 and 123,190.62

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Solution

The fourth proportional to 198,598.38, 274,002.74 and 123,190.62 is: 169,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598.38 : 274,002.74 = 123,190.62 : x
  2. Step 2: Convert to fraction form
    198,598.38/274,002.74 = 123,190.62/x
  3. Step 3: Cross multiply
    198,598.38x = 274,002.74 × 123,190.62
  4. Step 4: Simplify right side
    198,598.38x = 33,754,567,422.30
  5. Step 5: Solve for x
    x = 33,754,567,422.30/198,598.38
  6. Step 6: Final answer
    x = 169,963.96

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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.