Home / 266,794.98-399,748.23-187,743.12

Finding the Fourth Proportional to 266,794.98, 399,748.23 and 187,743.12

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Solution

The fourth proportional to 266,794.98, 399,748.23 and 187,743.12 is: 281,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,794.98 : 399,748.23 = 187,743.12 : x
  2. Step 2: Convert to fraction form
    266,794.98/399,748.23 = 187,743.12/x
  3. Step 3: Cross multiply
    266,794.98x = 399,748.23 × 187,743.12
  4. Step 4: Simplify right side
    266,794.98x = 75,049,979,914.68
  5. Step 5: Solve for x
    x = 75,049,979,914.68/266,794.98
  6. Step 6: Final answer
    x = 281,302.07

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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.