Home / 198,588.80-274,052.04-107,944.76

Finding the Fourth Proportional to 198,588.80, 274,052.04 and 107,944.76

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Solution

The fourth proportional to 198,588.80, 274,052.04 and 107,944.76 is: 148,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,588.80 : 274,052.04 = 107,944.76 : x
  2. Step 2: Convert to fraction form
    198,588.80/274,052.04 = 107,944.76/x
  3. Step 3: Cross multiply
    198,588.80x = 274,052.04 × 107,944.76
  4. Step 4: Simplify right side
    198,588.80x = 29,582,481,685.31
  5. Step 5: Solve for x
    x = 29,582,481,685.31/198,588.80
  6. Step 6: Final answer
    x = 148,963.49

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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.