Home / 165,964.96-229,028.88-90,508.96

Finding the Fourth Proportional to 165,964.96, 229,028.88 and 90,508.96

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Solution

The fourth proportional to 165,964.96, 229,028.88 and 90,508.96 is: 124,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,964.96 : 229,028.88 = 90,508.96 : x
  2. Step 2: Convert to fraction form
    165,964.96/229,028.88 = 90,508.96/x
  3. Step 3: Cross multiply
    165,964.96x = 229,028.88 × 90,508.96
  4. Step 4: Simplify right side
    165,964.96x = 20,729,165,738.76
  5. Step 5: Solve for x
    x = 20,729,165,738.76/165,964.96
  6. Step 6: Final answer
    x = 124,900.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.