Home / 199,454.74-275,242.09-108,810.68

Finding the Fourth Proportional to 199,454.74, 275,242.09 and 108,810.68

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Solution

The fourth proportional to 199,454.74, 275,242.09 and 108,810.68 is: 150,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,454.74 : 275,242.09 = 108,810.68 : x
  2. Step 2: Convert to fraction form
    199,454.74/275,242.09 = 108,810.68/x
  3. Step 3: Cross multiply
    199,454.74x = 275,242.09 × 108,810.68
  4. Step 4: Simplify right side
    199,454.74x = 29,949,278,977.52
  5. Step 5: Solve for x
    x = 29,949,278,977.52/199,454.74
  6. Step 6: Final answer
    x = 150,155.76

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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.