Home / 165,276.38-228,083.22-89,824.88

Finding the Fourth Proportional to 165,276.38, 228,083.22 and 89,824.88

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Solution

The fourth proportional to 165,276.38, 228,083.22 and 89,824.88 is: 123,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.38 : 228,083.22 = 89,824.88 : x
  2. Step 2: Convert to fraction form
    165,276.38/228,083.22 = 89,824.88/x
  3. Step 3: Cross multiply
    165,276.38x = 228,083.22 × 89,824.88
  4. Step 4: Simplify right side
    165,276.38x = 20,487,546,726.10
  5. Step 5: Solve for x
    x = 20,487,546,726.10/165,276.38
  6. Step 6: Final answer
    x = 123,959.32

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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.