Home / 198,736.71-274,260.18-108,094.65

Finding the Fourth Proportional to 198,736.71, 274,260.18 and 108,094.65

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Solution

The fourth proportional to 198,736.71, 274,260.18 and 108,094.65 is: 149,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,736.71 : 274,260.18 = 108,094.65 : x
  2. Step 2: Convert to fraction form
    198,736.71/274,260.18 = 108,094.65/x
  3. Step 3: Cross multiply
    198,736.71x = 274,260.18 × 108,094.65
  4. Step 4: Simplify right side
    198,736.71x = 29,646,058,166.04
  5. Step 5: Solve for x
    x = 29,646,058,166.04/198,736.71
  6. Step 6: Final answer
    x = 149,172.53

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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.