Home / 198,434.01-273,862.86-113,549.25

Finding the Fourth Proportional to 198,434.01, 273,862.86 and 113,549.25

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Solution

The fourth proportional to 198,434.01, 273,862.86 and 113,549.25 is: 156,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,434.01 : 273,862.86 = 113,549.25 : x
  2. Step 2: Convert to fraction form
    198,434.01/273,862.86 = 113,549.25/x
  3. Step 3: Cross multiply
    198,434.01x = 273,862.86 × 113,549.25
  4. Step 4: Simplify right side
    198,434.01x = 31,096,922,355.86
  5. Step 5: Solve for x
    x = 31,096,922,355.86/198,434.01
  6. Step 6: Final answer
    x = 156,711.66

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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.