Home / 198,251.30-273,587.07-107,607.28

Finding the Fourth Proportional to 198,251.30, 273,587.07 and 107,607.28

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Solution

The fourth proportional to 198,251.30, 273,587.07 and 107,607.28 is: 148,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,251.30 : 273,587.07 = 107,607.28 : x
  2. Step 2: Convert to fraction form
    198,251.30/273,587.07 = 107,607.28/x
  3. Step 3: Cross multiply
    198,251.30x = 273,587.07 × 107,607.28
  4. Step 4: Simplify right side
    198,251.30x = 29,439,959,907.83
  5. Step 5: Solve for x
    x = 29,439,959,907.83/198,251.30
  6. Step 6: Final answer
    x = 148,498.20

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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.