Home / 193,389.47-266,873.24-107,343.39

Finding the Fourth Proportional to 193,389.47, 266,873.24 and 107,343.39

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Solution

The fourth proportional to 193,389.47, 266,873.24 and 107,343.39 is: 148,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,389.47 : 266,873.24 = 107,343.39 : x
  2. Step 2: Convert to fraction form
    193,389.47/266,873.24 = 107,343.39/x
  3. Step 3: Cross multiply
    193,389.47x = 266,873.24 × 107,343.39
  4. Step 4: Simplify right side
    193,389.47x = 28,647,078,550.24
  5. Step 5: Solve for x
    x = 28,647,078,550.24/193,389.47
  6. Step 6: Final answer
    x = 148,131.54

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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.