Home / 198,583.34-274,046.86-107,939.50

Finding the Fourth Proportional to 198,583.34, 274,046.86 and 107,939.50

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Solution

The fourth proportional to 198,583.34, 274,046.86 and 107,939.50 is: 148,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,583.34 : 274,046.86 = 107,939.50 : x
  2. Step 2: Convert to fraction form
    198,583.34/274,046.86 = 107,939.50/x
  3. Step 3: Cross multiply
    198,583.34x = 274,046.86 × 107,939.50
  4. Step 4: Simplify right side
    198,583.34x = 29,580,481,044.97
  5. Step 5: Solve for x
    x = 29,580,481,044.97/198,583.34
  6. Step 6: Final answer
    x = 148,957.52

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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.