Home / 199,910.24-275,866.80-109,270.88

Finding the Fourth Proportional to 199,910.24, 275,866.80 and 109,270.88

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Solution

The fourth proportional to 199,910.24, 275,866.80 and 109,270.88 is: 150,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,910.24 : 275,866.80 = 109,270.88 : x
  2. Step 2: Convert to fraction form
    199,910.24/275,866.80 = 109,270.88/x
  3. Step 3: Cross multiply
    199,910.24x = 275,866.80 × 109,270.88
  4. Step 4: Simplify right side
    199,910.24x = 30,144,207,998.78
  5. Step 5: Solve for x
    x = 30,144,207,998.78/199,910.24
  6. Step 6: Final answer
    x = 150,788.71

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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.