Home / 110,183.60-152,085.86-71,949.09

Finding the Fourth Proportional to 110,183.60, 152,085.86 and 71,949.09

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Solution

The fourth proportional to 110,183.60, 152,085.86 and 71,949.09 is: 99,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,183.60 : 152,085.86 = 71,949.09 : x
  2. Step 2: Convert to fraction form
    110,183.60/152,085.86 = 71,949.09/x
  3. Step 3: Cross multiply
    110,183.60x = 152,085.86 × 71,949.09
  4. Step 4: Simplify right side
    110,183.60x = 10,942,440,113.97
  5. Step 5: Solve for x
    x = 10,942,440,113.97/110,183.60
  6. Step 6: Final answer
    x = 99,310.97

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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.