Home / 303,839.93-419,263.32-167,865.77

Finding the Fourth Proportional to 303,839.93, 419,263.32 and 167,865.77

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Solution

The fourth proportional to 303,839.93, 419,263.32 and 167,865.77 is: 231,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,839.93 : 419,263.32 = 167,865.77 : x
  2. Step 2: Convert to fraction form
    303,839.93/419,263.32 = 167,865.77/x
  3. Step 3: Cross multiply
    303,839.93x = 419,263.32 × 167,865.77
  4. Step 4: Simplify right side
    303,839.93x = 70,379,960,044.56
  5. Step 5: Solve for x
    x = 70,379,960,044.56/303,839.93
  6. Step 6: Final answer
    x = 231,634.99

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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.