Home / 156,329.13-234,493.83-109,789.77

Finding the Fourth Proportional to 156,329.13, 234,493.83 and 109,789.77

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Solution

The fourth proportional to 156,329.13, 234,493.83 and 109,789.77 is: 164,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,329.13 : 234,493.83 = 109,789.77 : x
  2. Step 2: Convert to fraction form
    156,329.13/234,493.83 = 109,789.77/x
  3. Step 3: Cross multiply
    156,329.13x = 234,493.83 × 109,789.77
  4. Step 4: Simplify right side
    156,329.13x = 25,745,023,662.12
  5. Step 5: Solve for x
    x = 25,745,023,662.12/156,329.13
  6. Step 6: Final answer
    x = 164,684.75

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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.