Home / 220,964.70-331,106.85-164,540.10

Finding the Fourth Proportional to 220,964.70, 331,106.85 and 164,540.10

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Solution

The fourth proportional to 220,964.70, 331,106.85 and 164,540.10 is: 246,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,964.70 : 331,106.85 = 164,540.10 : x
  2. Step 2: Convert to fraction form
    220,964.70/331,106.85 = 164,540.10/x
  3. Step 3: Cross multiply
    220,964.70x = 331,106.85 × 164,540.10
  4. Step 4: Simplify right side
    220,964.70x = 54,480,354,209.69
  5. Step 5: Solve for x
    x = 54,480,354,209.69/220,964.70
  6. Step 6: Final answer
    x = 246,556.82

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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.