Home / 165,467.76-228,347.28-90,016.44

Finding the Fourth Proportional to 165,467.76, 228,347.28 and 90,016.44

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Solution

The fourth proportional to 165,467.76, 228,347.28 and 90,016.44 is: 124,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,467.76 : 228,347.28 = 90,016.44 : x
  2. Step 2: Convert to fraction form
    165,467.76/228,347.28 = 90,016.44/x
  3. Step 3: Cross multiply
    165,467.76x = 228,347.28 × 90,016.44
  4. Step 4: Simplify right side
    165,467.76x = 20,555,009,229.28
  5. Step 5: Solve for x
    x = 20,555,009,229.28/165,467.76
  6. Step 6: Final answer
    x = 124,223.65

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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.