Home / 165,932.83-228,987.24-90,481.33

Finding the Fourth Proportional to 165,932.83, 228,987.24 and 90,481.33

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Solution

The fourth proportional to 165,932.83, 228,987.24 and 90,481.33 is: 124,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,932.83 : 228,987.24 = 90,481.33 : x
  2. Step 2: Convert to fraction form
    165,932.83/228,987.24 = 90,481.33/x
  3. Step 3: Cross multiply
    165,932.83x = 228,987.24 × 90,481.33
  4. Step 4: Simplify right side
    165,932.83x = 20,719,069,975.16
  5. Step 5: Solve for x
    x = 20,719,069,975.16/165,932.83
  6. Step 6: Final answer
    x = 124,864.20

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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.