Home / 195,581.49-269,893.13-120,115.41

Finding the Fourth Proportional to 195,581.49, 269,893.13 and 120,115.41

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Solution

The fourth proportional to 195,581.49, 269,893.13 and 120,115.41 is: 165,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,581.49 : 269,893.13 = 120,115.41 : x
  2. Step 2: Convert to fraction form
    195,581.49/269,893.13 = 120,115.41/x
  3. Step 3: Cross multiply
    195,581.49x = 269,893.13 × 120,115.41
  4. Step 4: Simplify right side
    195,581.49x = 32,418,323,365.56
  5. Step 5: Solve for x
    x = 32,418,323,365.56/195,581.49
  6. Step 6: Final answer
    x = 165,753.54

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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.