Home / 272,074.35-408,112.49-82,536.37

Finding the Fourth Proportional to 272,074.35, 408,112.49 and 82,536.37

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Solution

The fourth proportional to 272,074.35, 408,112.49 and 82,536.37 is: 123,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,074.35 : 408,112.49 = 82,536.37 : x
  2. Step 2: Convert to fraction form
    272,074.35/408,112.49 = 82,536.37/x
  3. Step 3: Cross multiply
    272,074.35x = 408,112.49 × 82,536.37
  4. Step 4: Simplify right side
    272,074.35x = 33,684,123,476.26
  5. Step 5: Solve for x
    x = 33,684,123,476.26/272,074.35
  6. Step 6: Final answer
    x = 123,804.85

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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.