Home / 323,974.83-447,029.88-187,977.60

Finding the Fourth Proportional to 323,974.83, 447,029.88 and 187,977.60

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Solution

The fourth proportional to 323,974.83, 447,029.88 and 187,977.60 is: 259,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,974.83 : 447,029.88 = 187,977.60 : x
  2. Step 2: Convert to fraction form
    323,974.83/447,029.88 = 187,977.60/x
  3. Step 3: Cross multiply
    323,974.83x = 447,029.88 × 187,977.60
  4. Step 4: Simplify right side
    323,974.83x = 84,031,603,970.69
  5. Step 5: Solve for x
    x = 84,031,603,970.69/323,974.83
  6. Step 6: Final answer
    x = 259,376.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.