Home / 272,212.48-408,319.35-82,674.33

Finding the Fourth Proportional to 272,212.48, 408,319.35 and 82,674.33

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Solution

The fourth proportional to 272,212.48, 408,319.35 and 82,674.33 is: 124,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,212.48 : 408,319.35 = 82,674.33 : x
  2. Step 2: Convert to fraction form
    272,212.48/408,319.35 = 82,674.33/x
  3. Step 3: Cross multiply
    272,212.48x = 408,319.35 × 82,674.33
  4. Step 4: Simplify right side
    272,212.48x = 33,757,528,687.29
  5. Step 5: Solve for x
    x = 33,757,528,687.29/272,212.48
  6. Step 6: Final answer
    x = 124,011.69

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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.