Home / 199,904.32-275,872.38-109,266.26

Finding the Fourth Proportional to 199,904.32, 275,872.38 and 109,266.26

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Solution

The fourth proportional to 199,904.32, 275,872.38 and 109,266.26 is: 150,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,904.32 : 275,872.38 = 109,266.26 : x
  2. Step 2: Convert to fraction form
    199,904.32/275,872.38 = 109,266.26/x
  3. Step 3: Cross multiply
    199,904.32x = 275,872.38 × 109,266.26
  4. Step 4: Simplify right side
    199,904.32x = 30,143,543,199.90
  5. Step 5: Solve for x
    x = 30,143,543,199.90/199,904.32
  6. Step 6: Final answer
    x = 150,789.86

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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.