Home / 494,736.90-742,136.10-179,196.54

Finding the Fourth Proportional to 494,736.90, 742,136.10 and 179,196.54

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Solution

The fourth proportional to 494,736.90, 742,136.10 and 179,196.54 is: 268,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,736.90 : 742,136.10 = 179,196.54 : x
  2. Step 2: Convert to fraction form
    494,736.90/742,136.10 = 179,196.54/x
  3. Step 3: Cross multiply
    494,736.90x = 742,136.10 × 179,196.54
  4. Step 4: Simplify right side
    494,736.90x = 132,988,221,329.09
  5. Step 5: Solve for x
    x = 132,988,221,329.09/494,736.90
  6. Step 6: Final answer
    x = 268,805.95

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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.