Home / 165,279.09-228,084.08-89,827.59

Finding the Fourth Proportional to 165,279.09, 228,084.08 and 89,827.59

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Solution

The fourth proportional to 165,279.09, 228,084.08 and 89,827.59 is: 123,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,279.09 : 228,084.08 = 89,827.59 : x
  2. Step 2: Convert to fraction form
    165,279.09/228,084.08 = 89,827.59/x
  3. Step 3: Cross multiply
    165,279.09x = 228,084.08 × 89,827.59
  4. Step 4: Simplify right side
    165,279.09x = 20,488,242,774.63
  5. Step 5: Solve for x
    x = 20,488,242,774.63/165,279.09
  6. Step 6: Final answer
    x = 123,961.49

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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.