Home / 165,270.76-228,072.84-89,819.26

Finding the Fourth Proportional to 165,270.76, 228,072.84 and 89,819.26

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Solution

The fourth proportional to 165,270.76, 228,072.84 and 89,819.26 is: 123,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,270.76 : 228,072.84 = 89,819.26 : x
  2. Step 2: Convert to fraction form
    165,270.76/228,072.84 = 89,819.26/x
  3. Step 3: Cross multiply
    165,270.76x = 228,072.84 × 89,819.26
  4. Step 4: Simplify right side
    165,270.76x = 20,485,333,714.90
  5. Step 5: Solve for x
    x = 20,485,333,714.90/165,270.76
  6. Step 6: Final answer
    x = 123,950.14

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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.