Home / 199,260.32-274,974.36-108,618.80

Finding the Fourth Proportional to 199,260.32, 274,974.36 and 108,618.80

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Solution

The fourth proportional to 199,260.32, 274,974.36 and 108,618.80 is: 149,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,260.32 : 274,974.36 = 108,618.80 : x
  2. Step 2: Convert to fraction form
    199,260.32/274,974.36 = 108,618.80/x
  3. Step 3: Cross multiply
    199,260.32x = 274,974.36 × 108,618.80
  4. Step 4: Simplify right side
    199,260.32x = 29,867,385,013.97
  5. Step 5: Solve for x
    x = 29,867,385,013.97/199,260.32
  6. Step 6: Final answer
    x = 149,891.28

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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.