Home / 156,919.75-235,375.27-57,081.78

Finding the Fourth Proportional to 156,919.75, 235,375.27 and 57,081.78

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Solution

The fourth proportional to 156,919.75, 235,375.27 and 57,081.78 is: 85,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.75 : 235,375.27 = 57,081.78 : x
  2. Step 2: Convert to fraction form
    156,919.75/235,375.27 = 57,081.78/x
  3. Step 3: Cross multiply
    156,919.75x = 235,375.27 × 57,081.78
  4. Step 4: Simplify right side
    156,919.75x = 13,435,639,236.88
  5. Step 5: Solve for x
    x = 13,435,639,236.88/156,919.75
  6. Step 6: Final answer
    x = 85,621.09

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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.