Home / 199,823.14-275,759.90-109,184.71

Finding the Fourth Proportional to 199,823.14, 275,759.90 and 109,184.71

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Solution

The fourth proportional to 199,823.14, 275,759.90 and 109,184.71 is: 150,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,823.14 : 275,759.90 = 109,184.71 : x
  2. Step 2: Convert to fraction form
    199,823.14/275,759.90 = 109,184.71/x
  3. Step 3: Cross multiply
    199,823.14x = 275,759.90 × 109,184.71
  4. Step 4: Simplify right side
    199,823.14x = 30,108,764,711.13
  5. Step 5: Solve for x
    x = 30,108,764,711.13/199,823.14
  6. Step 6: Final answer
    x = 150,677.07

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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.