Home / 230,997.27-318,772.87-129,024.18

Finding the Fourth Proportional to 230,997.27, 318,772.87 and 129,024.18

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Solution

The fourth proportional to 230,997.27, 318,772.87 and 129,024.18 is: 178,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,997.27 : 318,772.87 = 129,024.18 : x
  2. Step 2: Convert to fraction form
    230,997.27/318,772.87 = 129,024.18/x
  3. Step 3: Cross multiply
    230,997.27x = 318,772.87 × 129,024.18
  4. Step 4: Simplify right side
    230,997.27x = 41,129,407,512.88
  5. Step 5: Solve for x
    x = 41,129,407,512.88/230,997.27
  6. Step 6: Final answer
    x = 178,051.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.