Home / 177,996.54-267,086.91-78,226.68

Finding the Fourth Proportional to 177,996.54, 267,086.91 and 78,226.68

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Solution

The fourth proportional to 177,996.54, 267,086.91 and 78,226.68 is: 117,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,996.54 : 267,086.91 = 78,226.68 : x
  2. Step 2: Convert to fraction form
    177,996.54/267,086.91 = 78,226.68/x
  3. Step 3: Cross multiply
    177,996.54x = 267,086.91 × 78,226.68
  4. Step 4: Simplify right side
    177,996.54x = 20,893,322,240.76
  5. Step 5: Solve for x
    x = 20,893,322,240.76/177,996.54
  6. Step 6: Final answer
    x = 117,380.50

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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.