Home / 198,450.61-273,863.73-107,807.25

Finding the Fourth Proportional to 198,450.61, 273,863.73 and 107,807.25

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Solution

The fourth proportional to 198,450.61, 273,863.73 and 107,807.25 is: 148,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,450.61 : 273,863.73 = 107,807.25 : x
  2. Step 2: Convert to fraction form
    198,450.61/273,863.73 = 107,807.25/x
  3. Step 3: Cross multiply
    198,450.61x = 273,863.73 × 107,807.25
  4. Step 4: Simplify right side
    198,450.61x = 29,524,497,037.31
  5. Step 5: Solve for x
    x = 29,524,497,037.31/198,450.61
  6. Step 6: Final answer
    x = 148,775.04

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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.