Home / 198,197.06-273,510.56-107,550.72

Finding the Fourth Proportional to 198,197.06, 273,510.56 and 107,550.72

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Solution

The fourth proportional to 198,197.06, 273,510.56 and 107,550.72 is: 148,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,197.06 : 273,510.56 = 107,550.72 : x
  2. Step 2: Convert to fraction form
    198,197.06/273,510.56 = 107,550.72/x
  3. Step 3: Cross multiply
    198,197.06x = 273,510.56 × 107,550.72
  4. Step 4: Simplify right side
    198,197.06x = 29,416,257,655.60
  5. Step 5: Solve for x
    x = 29,416,257,655.60/198,197.06
  6. Step 6: Final answer
    x = 148,419.24

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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.