Home / 188,819.46-283,131.68-55,682.79

Finding the Fourth Proportional to 188,819.46, 283,131.68 and 55,682.79

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Solution

The fourth proportional to 188,819.46, 283,131.68 and 55,682.79 is: 83,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.46 : 283,131.68 = 55,682.79 : x
  2. Step 2: Convert to fraction form
    188,819.46/283,131.68 = 55,682.79/x
  3. Step 3: Cross multiply
    188,819.46x = 283,131.68 × 55,682.79
  4. Step 4: Simplify right side
    188,819.46x = 15,765,561,601.37
  5. Step 5: Solve for x
    x = 15,765,561,601.37/188,819.46
  6. Step 6: Final answer
    x = 83,495.43

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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.