Home / 146,546.20-219,819.30-67,814.20

Finding the Fourth Proportional to 146,546.20, 219,819.30 and 67,814.20

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Solution

The fourth proportional to 146,546.20, 219,819.30 and 67,814.20 is: 101,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,546.20 : 219,819.30 = 67,814.20 : x
  2. Step 2: Convert to fraction form
    146,546.20/219,819.30 = 67,814.20/x
  3. Step 3: Cross multiply
    146,546.20x = 219,819.30 × 67,814.20
  4. Step 4: Simplify right side
    146,546.20x = 14,906,869,974.06
  5. Step 5: Solve for x
    x = 14,906,869,974.06/146,546.20
  6. Step 6: Final answer
    x = 101,721.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.