Home / 199,764.83-275,676.41-109,122.05

Finding the Fourth Proportional to 199,764.83, 275,676.41 and 109,122.05

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Solution

The fourth proportional to 199,764.83, 275,676.41 and 109,122.05 is: 150,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,764.83 : 275,676.41 = 109,122.05 : x
  2. Step 2: Convert to fraction form
    199,764.83/275,676.41 = 109,122.05/x
  3. Step 3: Cross multiply
    199,764.83x = 275,676.41 × 109,122.05
  4. Step 4: Simplify right side
    199,764.83x = 30,082,374,995.84
  5. Step 5: Solve for x
    x = 30,082,374,995.84/199,764.83
  6. Step 6: Final answer
    x = 150,588.94

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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.