Home / 198,381.44-273,765.24-107,736.56

Finding the Fourth Proportional to 198,381.44, 273,765.24 and 107,736.56

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Solution

The fourth proportional to 198,381.44, 273,765.24 and 107,736.56 is: 148,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,381.44 : 273,765.24 = 107,736.56 : x
  2. Step 2: Convert to fraction form
    198,381.44/273,765.24 = 107,736.56/x
  3. Step 3: Cross multiply
    198,381.44x = 273,765.24 × 107,736.56
  4. Step 4: Simplify right side
    198,381.44x = 29,494,525,205.17
  5. Step 5: Solve for x
    x = 29,494,525,205.17/198,381.44
  6. Step 6: Final answer
    x = 148,675.83

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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.