Home / 198,507.16-273,936.49-107,864.52

Finding the Fourth Proportional to 198,507.16, 273,936.49 and 107,864.52

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Solution

The fourth proportional to 198,507.16, 273,936.49 and 107,864.52 is: 148,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,507.16 : 273,936.49 = 107,864.52 : x
  2. Step 2: Convert to fraction form
    198,507.16/273,936.49 = 107,864.52/x
  3. Step 3: Cross multiply
    198,507.16x = 273,936.49 × 107,864.52
  4. Step 4: Simplify right side
    198,507.16x = 29,548,028,004.33
  5. Step 5: Solve for x
    x = 29,548,028,004.33/198,507.16
  6. Step 6: Final answer
    x = 148,851.20

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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.