Home / 195,942.92-270,398.20-109,901.88

Finding the Fourth Proportional to 195,942.92, 270,398.20 and 109,901.88

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Solution

The fourth proportional to 195,942.92, 270,398.20 and 109,901.88 is: 151,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,942.92 : 270,398.20 = 109,901.88 : x
  2. Step 2: Convert to fraction form
    195,942.92/270,398.20 = 109,901.88/x
  3. Step 3: Cross multiply
    195,942.92x = 270,398.20 × 109,901.88
  4. Step 4: Simplify right side
    195,942.92x = 29,717,270,528.62
  5. Step 5: Solve for x
    x = 29,717,270,528.62/195,942.92
  6. Step 6: Final answer
    x = 151,662.90

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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.