Home / 165,425.44-228,287.76-89,974.24

Finding the Fourth Proportional to 165,425.44, 228,287.76 and 89,974.24

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Solution

The fourth proportional to 165,425.44, 228,287.76 and 89,974.24 is: 124,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,425.44 : 228,287.76 = 89,974.24 : x
  2. Step 2: Convert to fraction form
    165,425.44/228,287.76 = 89,974.24/x
  3. Step 3: Cross multiply
    165,425.44x = 228,287.76 × 89,974.24
  4. Step 4: Simplify right side
    165,425.44x = 20,540,017,707.30
  5. Step 5: Solve for x
    x = 20,540,017,707.30/165,425.44
  6. Step 6: Final answer
    x = 124,164.81

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1.5x scale

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.