Home / 110,331.18-165,512.25-43,778.12

Finding the Fourth Proportional to 110,331.18, 165,512.25 and 43,778.12

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Solution

The fourth proportional to 110,331.18, 165,512.25 and 43,778.12 is: 65,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,331.18 : 165,512.25 = 43,778.12 : x
  2. Step 2: Convert to fraction form
    110,331.18/165,512.25 = 43,778.12/x
  3. Step 3: Cross multiply
    110,331.18x = 165,512.25 × 43,778.12
  4. Step 4: Simplify right side
    110,331.18x = 7,245,814,314.41
  5. Step 5: Solve for x
    x = 7,245,814,314.41/110,331.18
  6. Step 6: Final answer
    x = 65,673.31

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1.5x scale

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.