Home / 198,438.91-273,848.61-107,796.58

Finding the Fourth Proportional to 198,438.91, 273,848.61 and 107,796.58

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Solution

The fourth proportional to 198,438.91, 273,848.61 and 107,796.58 is: 148,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,438.91 : 273,848.61 = 107,796.58 : x
  2. Step 2: Convert to fraction form
    198,438.91/273,848.61 = 107,796.58/x
  3. Step 3: Cross multiply
    198,438.91x = 273,848.61 × 107,796.58
  4. Step 4: Simplify right side
    198,438.91x = 29,519,943,595.75
  5. Step 5: Solve for x
    x = 29,519,943,595.75/198,438.91
  6. Step 6: Final answer
    x = 148,760.86

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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.