Home / 198,538.66-273,997.20-112,496.86

Finding the Fourth Proportional to 198,538.66, 273,997.20 and 112,496.86

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Solution

The fourth proportional to 198,538.66, 273,997.20 and 112,496.86 is: 155,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,538.66 : 273,997.20 = 112,496.86 : x
  2. Step 2: Convert to fraction form
    198,538.66/273,997.20 = 112,496.86/x
  3. Step 3: Cross multiply
    198,538.66x = 273,997.20 × 112,496.86
  4. Step 4: Simplify right side
    198,538.66x = 30,823,824,648.79
  5. Step 5: Solve for x
    x = 30,823,824,648.79/198,538.66
  6. Step 6: Final answer
    x = 155,253.51

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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.