Home / 199,366.13-275,131.86-108,729.56

Finding the Fourth Proportional to 199,366.13, 275,131.86 and 108,729.56

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Solution

The fourth proportional to 199,366.13, 275,131.86 and 108,729.56 is: 150,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,366.13 : 275,131.86 = 108,729.56 : x
  2. Step 2: Convert to fraction form
    199,366.13/275,131.86 = 108,729.56/x
  3. Step 3: Cross multiply
    199,366.13x = 275,131.86 × 108,729.56
  4. Step 4: Simplify right side
    199,366.13x = 29,914,966,359.88
  5. Step 5: Solve for x
    x = 29,914,966,359.88/199,366.13
  6. Step 6: Final answer
    x = 150,050.39

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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.