Home / 131,751.91-197,633.30-38,257.66

Finding the Fourth Proportional to 131,751.91, 197,633.30 and 38,257.66

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Solution

The fourth proportional to 131,751.91, 197,633.30 and 38,257.66 is: 57,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.91 : 197,633.30 = 38,257.66 : x
  2. Step 2: Convert to fraction form
    131,751.91/197,633.30 = 38,257.66/x
  3. Step 3: Cross multiply
    131,751.91x = 197,633.30 × 38,257.66
  4. Step 4: Simplify right side
    131,751.91x = 7,560,986,910.71
  5. Step 5: Solve for x
    x = 7,560,986,910.71/131,751.91
  6. Step 6: Final answer
    x = 57,388.06

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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.