Home / 165,836.50-228,694.53-111,511.06

Finding the Fourth Proportional to 165,836.50, 228,694.53 and 111,511.06

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Solution

The fourth proportional to 165,836.50, 228,694.53 and 111,511.06 is: 153,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,836.50 : 228,694.53 = 111,511.06 : x
  2. Step 2: Convert to fraction form
    165,836.50/228,694.53 = 111,511.06/x
  3. Step 3: Cross multiply
    165,836.50x = 228,694.53 × 111,511.06
  4. Step 4: Simplify right side
    165,836.50x = 25,501,969,456.50
  5. Step 5: Solve for x
    x = 25,501,969,456.50/165,836.50
  6. Step 6: Final answer
    x = 153,777.78

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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.