Home / 253,034.47-379,558.39-110,806.57

Finding the Fourth Proportional to 253,034.47, 379,558.39 and 110,806.57

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Solution

The fourth proportional to 253,034.47, 379,558.39 and 110,806.57 is: 166,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,034.47 : 379,558.39 = 110,806.57 : x
  2. Step 2: Convert to fraction form
    253,034.47/379,558.39 = 110,806.57/x
  3. Step 3: Cross multiply
    253,034.47x = 379,558.39 × 110,806.57
  4. Step 4: Simplify right side
    253,034.47x = 42,057,563,310.62
  5. Step 5: Solve for x
    x = 42,057,563,310.62/253,034.47
  6. Step 6: Final answer
    x = 166,212.78

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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.