Home / 156,959.45-235,493.85-68,276.60

Finding the Fourth Proportional to 156,959.45, 235,493.85 and 68,276.60

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Solution

The fourth proportional to 156,959.45, 235,493.85 and 68,276.60 is: 102,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.45 : 235,493.85 = 68,276.60 : x
  2. Step 2: Convert to fraction form
    156,959.45/235,493.85 = 68,276.60/x
  3. Step 3: Cross multiply
    156,959.45x = 235,493.85 × 68,276.60
  4. Step 4: Simplify right side
    156,959.45x = 16,078,719,398.91
  5. Step 5: Solve for x
    x = 16,078,719,398.91/156,959.45
  6. Step 6: Final answer
    x = 102,438.68

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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.