Home / 195,921.39-293,882.13-129,345.96

Finding the Fourth Proportional to 195,921.39, 293,882.13 and 129,345.96

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Solution

The fourth proportional to 195,921.39, 293,882.13 and 129,345.96 is: 194,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.39 : 293,882.13 = 129,345.96 : x
  2. Step 2: Convert to fraction form
    195,921.39/293,882.13 = 129,345.96/x
  3. Step 3: Cross multiply
    195,921.39x = 293,882.13 × 129,345.96
  4. Step 4: Simplify right side
    195,921.39x = 38,012,466,231.69
  5. Step 5: Solve for x
    x = 38,012,466,231.69/195,921.39
  6. Step 6: Final answer
    x = 194,018.97

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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.