Home / 127,990.62-191,836.38-96,298.83

Finding the Fourth Proportional to 127,990.62, 191,836.38 and 96,298.83

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Solution

The fourth proportional to 127,990.62, 191,836.38 and 96,298.83 is: 144,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,990.62 : 191,836.38 = 96,298.83 : x
  2. Step 2: Convert to fraction form
    127,990.62/191,836.38 = 96,298.83/x
  3. Step 3: Cross multiply
    127,990.62x = 191,836.38 × 96,298.83
  4. Step 4: Simplify right side
    127,990.62x = 18,473,618,945.44
  5. Step 5: Solve for x
    x = 18,473,618,945.44/127,990.62
  6. Step 6: Final answer
    x = 144,335.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.