Home / 205,556.62-308,331.50-61,462.78

Finding the Fourth Proportional to 205,556.62, 308,331.50 and 61,462.78

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Solution

The fourth proportional to 205,556.62, 308,331.50 and 61,462.78 is: 92,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,556.62 : 308,331.50 = 61,462.78 : x
  2. Step 2: Convert to fraction form
    205,556.62/308,331.50 = 61,462.78/x
  3. Step 3: Cross multiply
    205,556.62x = 308,331.50 × 61,462.78
  4. Step 4: Simplify right side
    205,556.62x = 18,950,911,151.57
  5. Step 5: Solve for x
    x = 18,950,911,151.57/205,556.62
  6. Step 6: Final answer
    x = 92,193.14

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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.