Home / 113,540.44-156,685.56-65,821.36

Finding the Fourth Proportional to 113,540.44, 156,685.56 and 65,821.36

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Solution

The fourth proportional to 113,540.44, 156,685.56 and 65,821.36 is: 90,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540.44 : 156,685.56 = 65,821.36 : x
  2. Step 2: Convert to fraction form
    113,540.44/156,685.56 = 65,821.36/x
  3. Step 3: Cross multiply
    113,540.44x = 156,685.56 × 65,821.36
  4. Step 4: Simplify right side
    113,540.44x = 10,313,256,651.56
  5. Step 5: Solve for x
    x = 10,313,256,651.56/113,540.44
  6. Step 6: Final answer
    x = 90,833.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.