Home / 110,680.27-165,921.79-40,543.18

Finding the Fourth Proportional to 110,680.27, 165,921.79 and 40,543.18

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Solution

The fourth proportional to 110,680.27, 165,921.79 and 40,543.18 is: 60,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,680.27 : 165,921.79 = 40,543.18 : x
  2. Step 2: Convert to fraction form
    110,680.27/165,921.79 = 40,543.18/x
  3. Step 3: Cross multiply
    110,680.27x = 165,921.79 × 40,543.18
  4. Step 4: Simplify right side
    110,680.27x = 6,726,996,896.53
  5. Step 5: Solve for x
    x = 6,726,996,896.53/110,680.27
  6. Step 6: Final answer
    x = 60,778.65

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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.