Home / 266,629.20-399,943.80-224,638.80

Finding the Fourth Proportional to 266,629.20, 399,943.80 and 224,638.80

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Solution

The fourth proportional to 266,629.20, 399,943.80 and 224,638.80 is: 336,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,629.20 : 399,943.80 = 224,638.80 : x
  2. Step 2: Convert to fraction form
    266,629.20/399,943.80 = 224,638.80/x
  3. Step 3: Cross multiply
    266,629.20x = 399,943.80 × 224,638.80
  4. Step 4: Simplify right side
    266,629.20x = 89,842,895,299.44
  5. Step 5: Solve for x
    x = 89,842,895,299.44/266,629.20
  6. Step 6: Final answer
    x = 336,958.20

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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.