Home / 156,269.80-234,297.99-75,174.04

Finding the Fourth Proportional to 156,269.80, 234,297.99 and 75,174.04

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Solution

The fourth proportional to 156,269.80, 234,297.99 and 75,174.04 is: 112,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,269.80 : 234,297.99 = 75,174.04 : x
  2. Step 2: Convert to fraction form
    156,269.80/234,297.99 = 75,174.04/x
  3. Step 3: Cross multiply
    156,269.80x = 234,297.99 × 75,174.04
  4. Step 4: Simplify right side
    156,269.80x = 17,613,126,472.18
  5. Step 5: Solve for x
    x = 17,613,126,472.18/156,269.80
  6. Step 6: Final answer
    x = 112,709.73

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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.