Home / 198,357.36-273,732.31-107,712.59

Finding the Fourth Proportional to 198,357.36, 273,732.31 and 107,712.59

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Solution

The fourth proportional to 198,357.36, 273,732.31 and 107,712.59 is: 148,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,357.36 : 273,732.31 = 107,712.59 : x
  2. Step 2: Convert to fraction form
    198,357.36/273,732.31 = 107,712.59/x
  3. Step 3: Cross multiply
    198,357.36x = 273,732.31 × 107,712.59
  4. Step 4: Simplify right side
    198,357.36x = 29,484,414,842.76
  5. Step 5: Solve for x
    x = 29,484,414,842.76/198,357.36
  6. Step 6: Final answer
    x = 148,642.91

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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.