Home / 199,213.86-274,907.10-108,567.90

Finding the Fourth Proportional to 199,213.86, 274,907.10 and 108,567.90

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Solution

The fourth proportional to 199,213.86, 274,907.10 and 108,567.90 is: 149,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,213.86 : 274,907.10 = 108,567.90 : x
  2. Step 2: Convert to fraction form
    199,213.86/274,907.10 = 108,567.90/x
  3. Step 3: Cross multiply
    199,213.86x = 274,907.10 × 108,567.90
  4. Step 4: Simplify right side
    199,213.86x = 29,846,086,542.09
  5. Step 5: Solve for x
    x = 29,846,086,542.09/199,213.86
  6. Step 6: Final answer
    x = 149,819.33

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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.