Home / 198,024.22-273,287.88-113,139.46

Finding the Fourth Proportional to 198,024.22, 273,287.88 and 113,139.46

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Solution

The fourth proportional to 198,024.22, 273,287.88 and 113,139.46 is: 156,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,024.22 : 273,287.88 = 113,139.46 : x
  2. Step 2: Convert to fraction form
    198,024.22/273,287.88 = 113,139.46/x
  3. Step 3: Cross multiply
    198,024.22x = 273,287.88 × 113,139.46
  4. Step 4: Simplify right side
    198,024.22x = 30,919,643,167.74
  5. Step 5: Solve for x
    x = 30,919,643,167.74/198,024.22
  6. Step 6: Final answer
    x = 156,140.71

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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.