Home / 198,471.58-273,886.03-107,825.56

Finding the Fourth Proportional to 198,471.58, 273,886.03 and 107,825.56

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Solution

The fourth proportional to 198,471.58, 273,886.03 and 107,825.56 is: 148,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,471.58 : 273,886.03 = 107,825.56 : x
  2. Step 2: Convert to fraction form
    198,471.58/273,886.03 = 107,825.56/x
  3. Step 3: Cross multiply
    198,471.58x = 273,886.03 × 107,825.56
  4. Step 4: Simplify right side
    198,471.58x = 29,531,914,560.93
  5. Step 5: Solve for x
    x = 29,531,914,560.93/198,471.58
  6. Step 6: Final answer
    x = 148,796.69

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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.