Home / 110,439.07-165,331.32-68,183.29

Finding the Fourth Proportional to 110,439.07, 165,331.32 and 68,183.29

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Solution

The fourth proportional to 110,439.07, 165,331.32 and 68,183.29 is: 102,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,439.07 : 165,331.32 = 68,183.29 : x
  2. Step 2: Convert to fraction form
    110,439.07/165,331.32 = 68,183.29/x
  3. Step 3: Cross multiply
    110,439.07x = 165,331.32 × 68,183.29
  4. Step 4: Simplify right side
    110,439.07x = 11,272,833,337.64
  5. Step 5: Solve for x
    x = 11,272,833,337.64/110,439.07
  6. Step 6: Final answer
    x = 102,072.87

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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.