Home / 185,996.72-256,677.30-101,115.60

Finding the Fourth Proportional to 185,996.72, 256,677.30 and 101,115.60

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Solution

The fourth proportional to 185,996.72, 256,677.30 and 101,115.60 is: 139,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,996.72 : 256,677.30 = 101,115.60 : x
  2. Step 2: Convert to fraction form
    185,996.72/256,677.30 = 101,115.60/x
  3. Step 3: Cross multiply
    185,996.72x = 256,677.30 × 101,115.60
  4. Step 4: Simplify right side
    185,996.72x = 25,954,079,195.88
  5. Step 5: Solve for x
    x = 25,954,079,195.88/185,996.72
  6. Step 6: Final answer
    x = 139,540.52

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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.