Home / 179,704.40-269,556.60-74,512.40

Finding the Fourth Proportional to 179,704.40, 269,556.60 and 74,512.40

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Solution

The fourth proportional to 179,704.40, 269,556.60 and 74,512.40 is: 111,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,704.40 : 269,556.60 = 74,512.40 : x
  2. Step 2: Convert to fraction form
    179,704.40/269,556.60 = 74,512.40/x
  3. Step 3: Cross multiply
    179,704.40x = 269,556.60 × 74,512.40
  4. Step 4: Simplify right side
    179,704.40x = 20,085,309,201.84
  5. Step 5: Solve for x
    x = 20,085,309,201.84/179,704.40
  6. Step 6: Final answer
    x = 111,768.60

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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.