Home / 165,279.06-228,083.94-89,827.56

Finding the Fourth Proportional to 165,279.06, 228,083.94 and 89,827.56

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Solution

The fourth proportional to 165,279.06, 228,083.94 and 89,827.56 is: 123,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,279.06 : 228,083.94 = 89,827.56 : x
  2. Step 2: Convert to fraction form
    165,279.06/228,083.94 = 89,827.56/x
  3. Step 3: Cross multiply
    165,279.06x = 228,083.94 × 89,827.56
  4. Step 4: Simplify right side
    165,279.06x = 20,488,223,805.39
  5. Step 5: Solve for x
    x = 20,488,223,805.39/165,279.06
  6. Step 6: Final answer
    x = 123,961.40

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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.