Home / 156,917.10-235,375.65-96,993.30

Finding the Fourth Proportional to 156,917.10, 235,375.65 and 96,993.30

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Solution

The fourth proportional to 156,917.10, 235,375.65 and 96,993.30 is: 145,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.10 : 235,375.65 = 96,993.30 : x
  2. Step 2: Convert to fraction form
    156,917.10/235,375.65 = 96,993.30/x
  3. Step 3: Cross multiply
    156,917.10x = 235,375.65 × 96,993.30
  4. Step 4: Simplify right side
    156,917.10x = 22,829,861,033.15
  5. Step 5: Solve for x
    x = 22,829,861,033.15/156,917.10
  6. Step 6: Final answer
    x = 145,489.95

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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.