Home / 328,830.27-453,755.70-192,839.21

Finding the Fourth Proportional to 328,830.27, 453,755.70 and 192,839.21

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Solution

The fourth proportional to 328,830.27, 453,755.70 and 192,839.21 is: 266,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,830.27 : 453,755.70 = 192,839.21 : x
  2. Step 2: Convert to fraction form
    328,830.27/453,755.70 = 192,839.21/x
  3. Step 3: Cross multiply
    328,830.27x = 453,755.70 × 192,839.21
  4. Step 4: Simplify right side
    328,830.27x = 87,501,888,452.22
  5. Step 5: Solve for x
    x = 87,501,888,452.22/328,830.27
  6. Step 6: Final answer
    x = 266,100.47

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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.