Home / 199,221.11-274,917.11-108,575.13

Finding the Fourth Proportional to 199,221.11, 274,917.11 and 108,575.13

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Solution

The fourth proportional to 199,221.11, 274,917.11 and 108,575.13 is: 149,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,221.11 : 274,917.11 = 108,575.13 : x
  2. Step 2: Convert to fraction form
    199,221.11/274,917.11 = 108,575.13/x
  3. Step 3: Cross multiply
    199,221.11x = 274,917.11 × 108,575.13
  4. Step 4: Simplify right side
    199,221.11x = 29,849,160,414.60
  5. Step 5: Solve for x
    x = 29,849,160,414.60/199,221.11
  6. Step 6: Final answer
    x = 149,829.31

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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.