Home / 199,439.66-275,228.34-108,796.34

Finding the Fourth Proportional to 199,439.66, 275,228.34 and 108,796.34

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Solution

The fourth proportional to 199,439.66, 275,228.34 and 108,796.34 is: 150,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,439.66 : 275,228.34 = 108,796.34 : x
  2. Step 2: Convert to fraction form
    199,439.66/275,228.34 = 108,796.34/x
  3. Step 3: Cross multiply
    199,439.66x = 275,228.34 × 108,796.34
  4. Step 4: Simplify right side
    199,439.66x = 29,943,836,056.28
  5. Step 5: Solve for x
    x = 29,943,836,056.28/199,439.66
  6. Step 6: Final answer
    x = 150,139.83

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1.5x scale

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.