Home / 220,855.80-331,336.60-71,110.14

Finding the Fourth Proportional to 220,855.80, 331,336.60 and 71,110.14

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Solution

The fourth proportional to 220,855.80, 331,336.60 and 71,110.14 is: 106,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,855.80 : 331,336.60 = 71,110.14 : x
  2. Step 2: Convert to fraction form
    220,855.80/331,336.60 = 71,110.14/x
  3. Step 3: Cross multiply
    220,855.80x = 331,336.60 × 71,110.14
  4. Step 4: Simplify right side
    220,855.80x = 23,561,392,013.12
  5. Step 5: Solve for x
    x = 23,561,392,013.12/220,855.80
  6. Step 6: Final answer
    x = 106,682.24

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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.