Home / 199,660.94-275,537.78-109,022.65

Finding the Fourth Proportional to 199,660.94, 275,537.78 and 109,022.65

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Solution

The fourth proportional to 199,660.94, 275,537.78 and 109,022.65 is: 150,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,660.94 : 275,537.78 = 109,022.65 : x
  2. Step 2: Convert to fraction form
    199,660.94/275,537.78 = 109,022.65/x
  3. Step 3: Cross multiply
    199,660.94x = 275,537.78 × 109,022.65
  4. Step 4: Simplify right side
    199,660.94x = 30,039,857,716.76
  5. Step 5: Solve for x
    x = 30,039,857,716.76/199,660.94
  6. Step 6: Final answer
    x = 150,454.35

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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.