Home / 165,719.37-228,694.30-94,100.90

Finding the Fourth Proportional to 165,719.37, 228,694.30 and 94,100.90

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Solution

The fourth proportional to 165,719.37, 228,694.30 and 94,100.90 is: 129,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,719.37 : 228,694.30 = 94,100.90 : x
  2. Step 2: Convert to fraction form
    165,719.37/228,694.30 = 94,100.90/x
  3. Step 3: Cross multiply
    165,719.37x = 228,694.30 × 94,100.90
  4. Step 4: Simplify right side
    165,719.37x = 21,520,338,076.15
  5. Step 5: Solve for x
    x = 21,520,338,076.15/165,719.37
  6. Step 6: Final answer
    x = 129,860.12

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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.