Home / 165,989.22-229,056.57-90,523.14

Finding the Fourth Proportional to 165,989.22, 229,056.57 and 90,523.14

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Solution

The fourth proportional to 165,989.22, 229,056.57 and 90,523.14 is: 124,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,989.22 : 229,056.57 = 90,523.14 : x
  2. Step 2: Convert to fraction form
    165,989.22/229,056.57 = 90,523.14/x
  3. Step 3: Cross multiply
    165,989.22x = 229,056.57 × 90,523.14
  4. Step 4: Simplify right side
    165,989.22x = 20,734,919,954.03
  5. Step 5: Solve for x
    x = 20,734,919,954.03/165,989.22
  6. Step 6: Final answer
    x = 124,917.27

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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.