Home / 185,759.75-256,346.19-100,877.42

Finding the Fourth Proportional to 185,759.75, 256,346.19 and 100,877.42

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Solution

The fourth proportional to 185,759.75, 256,346.19 and 100,877.42 is: 139,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,759.75 : 256,346.19 = 100,877.42 : x
  2. Step 2: Convert to fraction form
    185,759.75/256,346.19 = 100,877.42/x
  3. Step 3: Cross multiply
    185,759.75x = 256,346.19 × 100,877.42
  4. Step 4: Simplify right side
    185,759.75x = 25,859,540,992.30
  5. Step 5: Solve for x
    x = 25,859,540,992.30/185,759.75
  6. Step 6: Final answer
    x = 139,209.61

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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.