Home / 405,136.05-559,092.69-223,846.29

Finding the Fourth Proportional to 405,136.05, 559,092.69 and 223,846.29

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Solution

The fourth proportional to 405,136.05, 559,092.69 and 223,846.29 is: 308,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,136.05 : 559,092.69 = 223,846.29 : x
  2. Step 2: Convert to fraction form
    405,136.05/559,092.69 = 223,846.29/x
  3. Step 3: Cross multiply
    405,136.05x = 559,092.69 × 223,846.29
  4. Step 4: Simplify right side
    405,136.05x = 125,150,824,422.62
  5. Step 5: Solve for x
    x = 125,150,824,422.62/405,136.05
  6. Step 6: Final answer
    x = 308,910.61

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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.