Home / 185,778.56-256,375.68-109,343.36

Finding the Fourth Proportional to 185,778.56, 256,375.68 and 109,343.36

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Solution

The fourth proportional to 185,778.56, 256,375.68 and 109,343.36 is: 150,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,778.56 : 256,375.68 = 109,343.36 : x
  2. Step 2: Convert to fraction form
    185,778.56/256,375.68 = 109,343.36/x
  3. Step 3: Cross multiply
    185,778.56x = 256,375.68 × 109,343.36
  4. Step 4: Simplify right side
    185,778.56x = 28,032,978,273.48
  5. Step 5: Solve for x
    x = 28,032,978,273.48/185,778.56
  6. Step 6: Final answer
    x = 150,894.58

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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.