Home / 112,183.78-168,256.22-29,077.78

Finding the Fourth Proportional to 112,183.78, 168,256.22 and 29,077.78

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Solution

The fourth proportional to 112,183.78, 168,256.22 and 29,077.78 is: 43,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.78 : 168,256.22 = 29,077.78 : x
  2. Step 2: Convert to fraction form
    112,183.78/168,256.22 = 29,077.78/x
  3. Step 3: Cross multiply
    112,183.78x = 168,256.22 × 29,077.78
  4. Step 4: Simplify right side
    112,183.78x = 4,892,517,348.79
  5. Step 5: Solve for x
    x = 4,892,517,348.79/112,183.78
  6. Step 6: Final answer
    x = 43,611.63

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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.