Home / 198,378.18-273,761.01-107,733.42

Finding the Fourth Proportional to 198,378.18, 273,761.01 and 107,733.42

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Solution

The fourth proportional to 198,378.18, 273,761.01 and 107,733.42 is: 148,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378.18 : 273,761.01 = 107,733.42 : x
  2. Step 2: Convert to fraction form
    198,378.18/273,761.01 = 107,733.42/x
  3. Step 3: Cross multiply
    198,378.18x = 273,761.01 × 107,733.42
  4. Step 4: Simplify right side
    198,378.18x = 29,493,209,869.95
  5. Step 5: Solve for x
    x = 29,493,209,869.95/198,378.18
  6. Step 6: Final answer
    x = 148,671.64

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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.