Home / 198,151.88-273,454.32-113,276.84

Finding the Fourth Proportional to 198,151.88, 273,454.32 and 113,276.84

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Solution

The fourth proportional to 198,151.88, 273,454.32 and 113,276.84 is: 156,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151.88 : 273,454.32 = 113,276.84 : x
  2. Step 2: Convert to fraction form
    198,151.88/273,454.32 = 113,276.84/x
  3. Step 3: Cross multiply
    198,151.88x = 273,454.32 × 113,276.84
  4. Step 4: Simplify right side
    198,151.88x = 30,976,041,253.95
  5. Step 5: Solve for x
    x = 30,976,041,253.95/198,151.88
  6. Step 6: Final answer
    x = 156,324.74

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1.5x scale

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.