Home / 198,670.24-274,165.25-108,026.13

Finding the Fourth Proportional to 198,670.24, 274,165.25 and 108,026.13

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Solution

The fourth proportional to 198,670.24, 274,165.25 and 108,026.13 is: 149,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.24 : 274,165.25 = 108,026.13 : x
  2. Step 2: Convert to fraction form
    198,670.24/274,165.25 = 108,026.13/x
  3. Step 3: Cross multiply
    198,670.24x = 274,165.25 × 108,026.13
  4. Step 4: Simplify right side
    198,670.24x = 29,617,010,397.85
  5. Step 5: Solve for x
    x = 29,617,010,397.85/198,670.24
  6. Step 6: Final answer
    x = 149,076.23

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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.