Home / 207,836.37-311,836.91-108,059.49

Finding the Fourth Proportional to 207,836.37, 311,836.91 and 108,059.49

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Solution

The fourth proportional to 207,836.37, 311,836.91 and 108,059.49 is: 162,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,836.37 : 311,836.91 = 108,059.49 : x
  2. Step 2: Convert to fraction form
    207,836.37/311,836.91 = 108,059.49/x
  3. Step 3: Cross multiply
    207,836.37x = 311,836.91 × 108,059.49
  4. Step 4: Simplify right side
    207,836.37x = 33,696,936,917.48
  5. Step 5: Solve for x
    x = 33,696,936,917.48/207,836.37
  6. Step 6: Final answer
    x = 162,132.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.