Home / 185,469.60-255,948.35-100,586.73

Finding the Fourth Proportional to 185,469.60, 255,948.35 and 100,586.73

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Solution

The fourth proportional to 185,469.60, 255,948.35 and 100,586.73 is: 138,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,469.60 : 255,948.35 = 100,586.73 : x
  2. Step 2: Convert to fraction form
    185,469.60/255,948.35 = 100,586.73/x
  3. Step 3: Cross multiply
    185,469.60x = 255,948.35 × 100,586.73
  4. Step 4: Simplify right side
    185,469.60x = 25,745,007,072.46
  5. Step 5: Solve for x
    x = 25,745,007,072.46/185,469.60
  6. Step 6: Final answer
    x = 138,809.85

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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.