Home / 156,158.54-234,331.13-143,453.78

Finding the Fourth Proportional to 156,158.54, 234,331.13 and 143,453.78

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Solution

The fourth proportional to 156,158.54, 234,331.13 and 143,453.78 is: 215,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,158.54 : 234,331.13 = 143,453.78 : x
  2. Step 2: Convert to fraction form
    156,158.54/234,331.13 = 143,453.78/x
  3. Step 3: Cross multiply
    156,158.54x = 234,331.13 × 143,453.78
  4. Step 4: Simplify right side
    156,158.54x = 33,615,684,481.25
  5. Step 5: Solve for x
    x = 33,615,684,481.25/156,158.54
  6. Step 6: Final answer
    x = 215,266.39

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1.5x scale

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.