Home / 236,711.70-355,067.55-148,138.20

Finding the Fourth Proportional to 236,711.70, 355,067.55 and 148,138.20

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Solution

The fourth proportional to 236,711.70, 355,067.55 and 148,138.20 is: 222,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,711.70 : 355,067.55 = 148,138.20 : x
  2. Step 2: Convert to fraction form
    236,711.70/355,067.55 = 148,138.20/x
  3. Step 3: Cross multiply
    236,711.70x = 355,067.55 × 148,138.20
  4. Step 4: Simplify right side
    236,711.70x = 52,599,067,735.41
  5. Step 5: Solve for x
    x = 52,599,067,735.41/236,711.70
  6. Step 6: Final answer
    x = 222,207.30

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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.