Home / 272,112.33-408,169.31-82,574.22

Finding the Fourth Proportional to 272,112.33, 408,169.31 and 82,574.22

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Solution

The fourth proportional to 272,112.33, 408,169.31 and 82,574.22 is: 123,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,112.33 : 408,169.31 = 82,574.22 : x
  2. Step 2: Convert to fraction form
    272,112.33/408,169.31 = 82,574.22/x
  3. Step 3: Cross multiply
    272,112.33x = 408,169.31 × 82,574.22
  4. Step 4: Simplify right side
    272,112.33x = 33,704,262,401.19
  5. Step 5: Solve for x
    x = 33,704,262,401.19/272,112.33
  6. Step 6: Final answer
    x = 123,861.58

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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.