Home / 165,016.24-247,649.72-120,757.20

Finding the Fourth Proportional to 165,016.24, 247,649.72 and 120,757.20

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Solution

The fourth proportional to 165,016.24, 247,649.72 and 120,757.20 is: 181,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,016.24 : 247,649.72 = 120,757.20 : x
  2. Step 2: Convert to fraction form
    165,016.24/247,649.72 = 120,757.20/x
  3. Step 3: Cross multiply
    165,016.24x = 247,649.72 × 120,757.20
  4. Step 4: Simplify right side
    165,016.24x = 29,905,486,767.98
  5. Step 5: Solve for x
    x = 29,905,486,767.98/165,016.24
  6. Step 6: Final answer
    x = 181,227.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.