Home / 198,439.40-273,851.30-107,795.33

Finding the Fourth Proportional to 198,439.40, 273,851.30 and 107,795.33

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Solution

The fourth proportional to 198,439.40, 273,851.30 and 107,795.33 is: 148,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,439.40 : 273,851.30 = 107,795.33 : x
  2. Step 2: Convert to fraction form
    198,439.40/273,851.30 = 107,795.33/x
  3. Step 3: Cross multiply
    198,439.40x = 273,851.30 × 107,795.33
  4. Step 4: Simplify right side
    198,439.40x = 29,519,891,254.43
  5. Step 5: Solve for x
    x = 29,519,891,254.43/198,439.40
  6. Step 6: Final answer
    x = 148,760.23

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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.