Home / 248,021.67-372,093.27-79,542.48

Finding the Fourth Proportional to 248,021.67, 372,093.27 and 79,542.48

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Solution

The fourth proportional to 248,021.67, 372,093.27 and 79,542.48 is: 119,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,021.67 : 372,093.27 = 79,542.48 : x
  2. Step 2: Convert to fraction form
    248,021.67/372,093.27 = 79,542.48/x
  3. Step 3: Cross multiply
    248,021.67x = 372,093.27 × 79,542.48
  4. Step 4: Simplify right side
    248,021.67x = 29,597,221,487.11
  5. Step 5: Solve for x
    x = 29,597,221,487.11/248,021.67
  6. Step 6: Final answer
    x = 119,333.21

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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.