Home / 199,765.08-275,676.76-109,122.30

Finding the Fourth Proportional to 199,765.08, 275,676.76 and 109,122.30

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Solution

The fourth proportional to 199,765.08, 275,676.76 and 109,122.30 is: 150,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,765.08 : 275,676.76 = 109,122.30 : x
  2. Step 2: Convert to fraction form
    199,765.08/275,676.76 = 109,122.30/x
  3. Step 3: Cross multiply
    199,765.08x = 275,676.76 × 109,122.30
  4. Step 4: Simplify right side
    199,765.08x = 30,082,481,562.14
  5. Step 5: Solve for x
    x = 30,082,481,562.14/199,765.08
  6. Step 6: Final answer
    x = 150,589.29

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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.