Home / 110,826.20-166,239.29-27,720.20

Finding the Fourth Proportional to 110,826.20, 166,239.29 and 27,720.20

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Solution

The fourth proportional to 110,826.20, 166,239.29 and 27,720.20 is: 41,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,826.20 : 166,239.29 = 27,720.20 : x
  2. Step 2: Convert to fraction form
    110,826.20/166,239.29 = 27,720.20/x
  3. Step 3: Cross multiply
    110,826.20x = 166,239.29 × 27,720.20
  4. Step 4: Simplify right side
    110,826.20x = 4,608,185,396.86
  5. Step 5: Solve for x
    x = 4,608,185,396.86/110,826.20
  6. Step 6: Final answer
    x = 41,580.29

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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.