Home / 373,902.33-515,982.55-204,136.45

Finding the Fourth Proportional to 373,902.33, 515,982.55 and 204,136.45

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Solution

The fourth proportional to 373,902.33, 515,982.55 and 204,136.45 is: 281,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902.33 : 515,982.55 = 204,136.45 : x
  2. Step 2: Convert to fraction form
    373,902.33/515,982.55 = 204,136.45/x
  3. Step 3: Cross multiply
    373,902.33x = 515,982.55 × 204,136.45
  4. Step 4: Simplify right side
    373,902.33x = 105,330,846,018.95
  5. Step 5: Solve for x
    x = 105,330,846,018.95/373,902.33
  6. Step 6: Final answer
    x = 281,706.85

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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.