Home / 199,213.77-274,910.25-108,572.61

Finding the Fourth Proportional to 199,213.77, 274,910.25 and 108,572.61

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Solution

The fourth proportional to 199,213.77, 274,910.25 and 108,572.61 is: 149,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,213.77 : 274,910.25 = 108,572.61 : x
  2. Step 2: Convert to fraction form
    199,213.77/274,910.25 = 108,572.61/x
  3. Step 3: Cross multiply
    199,213.77x = 274,910.25 × 108,572.61
  4. Step 4: Simplify right side
    199,213.77x = 29,847,723,358.25
  5. Step 5: Solve for x
    x = 29,847,723,358.25/199,213.77
  6. Step 6: Final answer
    x = 149,827.61

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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.