Home / 198,079.35-273,353.22-121,560.14

Finding the Fourth Proportional to 198,079.35, 273,353.22 and 121,560.14

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Solution

The fourth proportional to 198,079.35, 273,353.22 and 121,560.14 is: 167,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,079.35 : 273,353.22 = 121,560.14 : x
  2. Step 2: Convert to fraction form
    198,079.35/273,353.22 = 121,560.14/x
  3. Step 3: Cross multiply
    198,079.35x = 273,353.22 × 121,560.14
  4. Step 4: Simplify right side
    198,079.35x = 33,228,855,350.96
  5. Step 5: Solve for x
    x = 33,228,855,350.96/198,079.35
  6. Step 6: Final answer
    x = 167,755.27

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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.