Home / 198,259.12-273,591.48-107,610.80

Finding the Fourth Proportional to 198,259.12, 273,591.48 and 107,610.80

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Solution

The fourth proportional to 198,259.12, 273,591.48 and 107,610.80 is: 148,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,259.12 : 273,591.48 = 107,610.80 : x
  2. Step 2: Convert to fraction form
    198,259.12/273,591.48 = 107,610.80/x
  3. Step 3: Cross multiply
    198,259.12x = 273,591.48 × 107,610.80
  4. Step 4: Simplify right side
    198,259.12x = 29,441,398,035.98
  5. Step 5: Solve for x
    x = 29,441,398,035.98/198,259.12
  6. Step 6: Final answer
    x = 148,499.59

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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.