Home / 111,301.92-166,865.04-55,161.36

Finding the Fourth Proportional to 111,301.92, 166,865.04 and 55,161.36

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Solution

The fourth proportional to 111,301.92, 166,865.04 and 55,161.36 is: 82,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.92 : 166,865.04 = 55,161.36 : x
  2. Step 2: Convert to fraction form
    111,301.92/166,865.04 = 55,161.36/x
  3. Step 3: Cross multiply
    111,301.92x = 166,865.04 × 55,161.36
  4. Step 4: Simplify right side
    111,301.92x = 9,204,502,542.85
  5. Step 5: Solve for x
    x = 9,204,502,542.85/111,301.92
  6. Step 6: Final answer
    x = 82,698.51

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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.