Home / 195,864.70-293,823.20-77,508.36

Finding the Fourth Proportional to 195,864.70, 293,823.20 and 77,508.36

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Solution

The fourth proportional to 195,864.70, 293,823.20 and 77,508.36 is: 116,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,864.70 : 293,823.20 = 77,508.36 : x
  2. Step 2: Convert to fraction form
    195,864.70/293,823.20 = 77,508.36/x
  3. Step 3: Cross multiply
    195,864.70x = 293,823.20 × 77,508.36
  4. Step 4: Simplify right side
    195,864.70x = 22,773,752,505.29
  5. Step 5: Solve for x
    x = 22,773,752,505.29/195,864.70
  6. Step 6: Final answer
    x = 116,272.88

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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.