Home / 199,826.76-275,757.66-109,180.79

Finding the Fourth Proportional to 199,826.76, 275,757.66 and 109,180.79

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Solution

The fourth proportional to 199,826.76, 275,757.66 and 109,180.79 is: 150,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,826.76 : 275,757.66 = 109,180.79 : x
  2. Step 2: Convert to fraction form
    199,826.76/275,757.66 = 109,180.79/x
  3. Step 3: Cross multiply
    199,826.76x = 275,757.66 × 109,180.79
  4. Step 4: Simplify right side
    199,826.76x = 30,107,437,788.56
  5. Step 5: Solve for x
    x = 30,107,437,788.56/199,826.76
  6. Step 6: Final answer
    x = 150,667.70

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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.