Home / 110,316.89-165,442.34-40,179.80

Finding the Fourth Proportional to 110,316.89, 165,442.34 and 40,179.80

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Solution

The fourth proportional to 110,316.89, 165,442.34 and 40,179.80 is: 60,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,316.89 : 165,442.34 = 40,179.80 : x
  2. Step 2: Convert to fraction form
    110,316.89/165,442.34 = 40,179.80/x
  3. Step 3: Cross multiply
    110,316.89x = 165,442.34 × 40,179.80
  4. Step 4: Simplify right side
    110,316.89x = 6,647,439,305.52
  5. Step 5: Solve for x
    x = 6,647,439,305.52/110,316.89
  6. Step 6: Final answer
    x = 60,257.68

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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.