Home / 198,132.08-273,422.76-113,298.80

Finding the Fourth Proportional to 198,132.08, 273,422.76 and 113,298.80

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Solution

The fourth proportional to 198,132.08, 273,422.76 and 113,298.80 is: 156,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,132.08 : 273,422.76 = 113,298.80 : x
  2. Step 2: Convert to fraction form
    198,132.08/273,422.76 = 113,298.80/x
  3. Step 3: Cross multiply
    198,132.08x = 273,422.76 × 113,298.80
  4. Step 4: Simplify right side
    198,132.08x = 30,978,470,600.69
  5. Step 5: Solve for x
    x = 30,978,470,600.69/198,132.08
  6. Step 6: Final answer
    x = 156,352.62

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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.