Home / 198,235.15-273,564.79-107,591.13

Finding the Fourth Proportional to 198,235.15, 273,564.79 and 107,591.13

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Solution

The fourth proportional to 198,235.15, 273,564.79 and 107,591.13 is: 148,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,235.15 : 273,564.79 = 107,591.13 : x
  2. Step 2: Convert to fraction form
    198,235.15/273,564.79 = 107,591.13/x
  3. Step 3: Cross multiply
    198,235.15x = 273,564.79 × 107,591.13
  4. Step 4: Simplify right side
    198,235.15x = 29,433,144,615.33
  5. Step 5: Solve for x
    x = 29,433,144,615.33/198,235.15
  6. Step 6: Final answer
    x = 148,475.91

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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.