Home / 198,738.70-274,262.94-108,096.64

Finding the Fourth Proportional to 198,738.70, 274,262.94 and 108,096.64

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Solution

The fourth proportional to 198,738.70, 274,262.94 and 108,096.64 is: 149,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,738.70 : 274,262.94 = 108,096.64 : x
  2. Step 2: Convert to fraction form
    198,738.70/274,262.94 = 108,096.64/x
  3. Step 3: Cross multiply
    198,738.70x = 274,262.94 × 108,096.64
  4. Step 4: Simplify right side
    198,738.70x = 29,646,902,290.52
  5. Step 5: Solve for x
    x = 29,646,902,290.52/198,738.70
  6. Step 6: Final answer
    x = 149,175.29

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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.