Home / 303,151.19-418,379.85-192,846.33

Finding the Fourth Proportional to 303,151.19, 418,379.85 and 192,846.33

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Solution

The fourth proportional to 303,151.19, 418,379.85 and 192,846.33 is: 266,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,151.19 : 418,379.85 = 192,846.33 : x
  2. Step 2: Convert to fraction form
    303,151.19/418,379.85 = 192,846.33/x
  3. Step 3: Cross multiply
    303,151.19x = 418,379.85 × 192,846.33
  4. Step 4: Simplify right side
    303,151.19x = 80,683,018,618.45
  5. Step 5: Solve for x
    x = 80,683,018,618.45/303,151.19
  6. Step 6: Final answer
    x = 266,147.79

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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.