Home / 198,385.16-273,773.46-108,961.16

Finding the Fourth Proportional to 198,385.16, 273,773.46 and 108,961.16

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Solution

The fourth proportional to 198,385.16, 273,773.46 and 108,961.16 is: 150,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,385.16 : 273,773.46 = 108,961.16 : x
  2. Step 2: Convert to fraction form
    198,385.16/273,773.46 = 108,961.16/x
  3. Step 3: Cross multiply
    198,385.16x = 273,773.46 × 108,961.16
  4. Step 4: Simplify right side
    198,385.16x = 29,830,673,778.81
  5. Step 5: Solve for x
    x = 29,830,673,778.81/198,385.16
  6. Step 6: Final answer
    x = 150,367.47

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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.