Home / 198,209.09-273,529.26-107,565.03

Finding the Fourth Proportional to 198,209.09, 273,529.26 and 107,565.03

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Solution

The fourth proportional to 198,209.09, 273,529.26 and 107,565.03 is: 148,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,209.09 : 273,529.26 = 107,565.03 : x
  2. Step 2: Convert to fraction form
    198,209.09/273,529.26 = 107,565.03/x
  3. Step 3: Cross multiply
    198,209.09x = 273,529.26 × 107,565.03
  4. Step 4: Simplify right side
    198,209.09x = 29,422,183,057.78
  5. Step 5: Solve for x
    x = 29,422,183,057.78/198,209.09
  6. Step 6: Final answer
    x = 148,440.13

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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.