Home / 185,595.33-256,122.24-100,712.39

Finding the Fourth Proportional to 185,595.33, 256,122.24 and 100,712.39

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Solution

The fourth proportional to 185,595.33, 256,122.24 and 100,712.39 is: 138,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,595.33 : 256,122.24 = 100,712.39 : x
  2. Step 2: Convert to fraction form
    185,595.33/256,122.24 = 100,712.39/x
  3. Step 3: Cross multiply
    185,595.33x = 256,122.24 × 100,712.39
  4. Step 4: Simplify right side
    185,595.33x = 25,794,682,922.55
  5. Step 5: Solve for x
    x = 25,794,682,922.55/185,595.33
  6. Step 6: Final answer
    x = 138,983.47

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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.