Home / 198,928.88-274,521.84-109,504.88

Finding the Fourth Proportional to 198,928.88, 274,521.84 and 109,504.88

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Solution

The fourth proportional to 198,928.88, 274,521.84 and 109,504.88 is: 151,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.88 : 274,521.84 = 109,504.88 : x
  2. Step 2: Convert to fraction form
    198,928.88/274,521.84 = 109,504.88/x
  3. Step 3: Cross multiply
    198,928.88x = 274,521.84 × 109,504.88
  4. Step 4: Simplify right side
    198,928.88x = 30,061,481,146.58
  5. Step 5: Solve for x
    x = 30,061,481,146.58/198,928.88
  6. Step 6: Final answer
    x = 151,116.73

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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.