Home / 269,408.36-404,110.62-79,869.52

Finding the Fourth Proportional to 269,408.36, 404,110.62 and 79,869.52

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Solution

The fourth proportional to 269,408.36, 404,110.62 and 79,869.52 is: 119,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,408.36 : 404,110.62 = 79,869.52 : x
  2. Step 2: Convert to fraction form
    269,408.36/404,110.62 = 79,869.52/x
  3. Step 3: Cross multiply
    269,408.36x = 404,110.62 × 79,869.52
  4. Step 4: Simplify right side
    269,408.36x = 32,276,121,246.30
  5. Step 5: Solve for x
    x = 32,276,121,246.30/269,408.36
  6. Step 6: Final answer
    x = 119,803.71

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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.