Home / 272,213.48-408,320.85-82,675.33

Finding the Fourth Proportional to 272,213.48, 408,320.85 and 82,675.33

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Solution

The fourth proportional to 272,213.48, 408,320.85 and 82,675.33 is: 124,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,213.48 : 408,320.85 = 82,675.33 : x
  2. Step 2: Convert to fraction form
    272,213.48/408,320.85 = 82,675.33/x
  3. Step 3: Cross multiply
    272,213.48x = 408,320.85 × 82,675.33
  4. Step 4: Simplify right side
    272,213.48x = 33,758,061,019.63
  5. Step 5: Solve for x
    x = 33,758,061,019.63/272,213.48
  6. Step 6: Final answer
    x = 124,013.19

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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.