Home / 110,836.22-166,305.45-68,765.72

Finding the Fourth Proportional to 110,836.22, 166,305.45 and 68,765.72

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Solution

The fourth proportional to 110,836.22, 166,305.45 and 68,765.72 is: 103,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,836.22 : 166,305.45 = 68,765.72 : x
  2. Step 2: Convert to fraction form
    110,836.22/166,305.45 = 68,765.72/x
  3. Step 3: Cross multiply
    110,836.22x = 166,305.45 × 68,765.72
  4. Step 4: Simplify right side
    110,836.22x = 11,436,114,009.17
  5. Step 5: Solve for x
    x = 11,436,114,009.17/110,836.22
  6. Step 6: Final answer
    x = 103,180.30

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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.