Home / 198,097.20-273,392.80-113,197.76

Finding the Fourth Proportional to 198,097.20, 273,392.80 and 113,197.76

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Solution

The fourth proportional to 198,097.20, 273,392.80 and 113,197.76 is: 156,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,097.20 : 273,392.80 = 113,197.76 : x
  2. Step 2: Convert to fraction form
    198,097.20/273,392.80 = 113,197.76/x
  3. Step 3: Cross multiply
    198,097.20x = 273,392.80 × 113,197.76
  4. Step 4: Simplify right side
    198,097.20x = 30,947,452,560.13
  5. Step 5: Solve for x
    x = 30,947,452,560.13/198,097.20
  6. Step 6: Final answer
    x = 156,223.57

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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.