Home / 156,108.32-234,119.94-43,781.57

Finding the Fourth Proportional to 156,108.32, 234,119.94 and 43,781.57

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Solution

The fourth proportional to 156,108.32, 234,119.94 and 43,781.57 is: 65,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,108.32 : 234,119.94 = 43,781.57 : x
  2. Step 2: Convert to fraction form
    156,108.32/234,119.94 = 43,781.57/x
  3. Step 3: Cross multiply
    156,108.32x = 234,119.94 × 43,781.57
  4. Step 4: Simplify right side
    156,108.32x = 10,250,137,370.91
  5. Step 5: Solve for x
    x = 10,250,137,370.91/156,108.32
  6. Step 6: Final answer
    x = 65,660.42

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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.