Home / 199,765.58-275,677.44-109,122.80

Finding the Fourth Proportional to 199,765.58, 275,677.44 and 109,122.80

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Solution

The fourth proportional to 199,765.58, 275,677.44 and 109,122.80 is: 150,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,765.58 : 275,677.44 = 109,122.80 : x
  2. Step 2: Convert to fraction form
    199,765.58/275,677.44 = 109,122.80/x
  3. Step 3: Cross multiply
    199,765.58x = 275,677.44 × 109,122.80
  4. Step 4: Simplify right side
    199,765.58x = 30,082,694,149.63
  5. Step 5: Solve for x
    x = 30,082,694,149.63/199,765.58
  6. Step 6: Final answer
    x = 150,589.98

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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.