Home / 108,178.76-162,249.42-29,274.56

Finding the Fourth Proportional to 108,178.76, 162,249.42 and 29,274.56

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Solution

The fourth proportional to 108,178.76, 162,249.42 and 29,274.56 is: 43,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,178.76 : 162,249.42 = 29,274.56 : x
  2. Step 2: Convert to fraction form
    108,178.76/162,249.42 = 29,274.56/x
  3. Step 3: Cross multiply
    108,178.76x = 162,249.42 × 29,274.56
  4. Step 4: Simplify right side
    108,178.76x = 4,749,780,380.76
  5. Step 5: Solve for x
    x = 4,749,780,380.76/108,178.76
  6. Step 6: Final answer
    x = 43,906.77

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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.