Home / 199,732.62-275,633.10-109,091.20

Finding the Fourth Proportional to 199,732.62, 275,633.10 and 109,091.20

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Solution

The fourth proportional to 199,732.62, 275,633.10 and 109,091.20 is: 150,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,732.62 : 275,633.10 = 109,091.20 : x
  2. Step 2: Convert to fraction form
    199,732.62/275,633.10 = 109,091.20/x
  3. Step 3: Cross multiply
    199,732.62x = 275,633.10 × 109,091.20
  4. Step 4: Simplify right side
    199,732.62x = 30,069,145,638.72
  5. Step 5: Solve for x
    x = 30,069,145,638.72/199,732.62
  6. Step 6: Final answer
    x = 150,546.99

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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.