Home / 220,814.23-331,174.90-71,067.91

Finding the Fourth Proportional to 220,814.23, 331,174.90 and 71,067.91

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Solution

The fourth proportional to 220,814.23, 331,174.90 and 71,067.91 is: 106,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,814.23 : 331,174.90 = 71,067.91 : x
  2. Step 2: Convert to fraction form
    220,814.23/331,174.90 = 71,067.91/x
  3. Step 3: Cross multiply
    220,814.23x = 331,174.90 × 71,067.91
  4. Step 4: Simplify right side
    220,814.23x = 23,535,907,987.46
  5. Step 5: Solve for x
    x = 23,535,907,987.46/220,814.23
  6. Step 6: Final answer
    x = 106,586.92

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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.