Home / 192,420.31-265,540.44-107,537.38

Finding the Fourth Proportional to 192,420.31, 265,540.44 and 107,537.38

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Solution

The fourth proportional to 192,420.31, 265,540.44 and 107,537.38 is: 148,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.31 : 265,540.44 = 107,537.38 : x
  2. Step 2: Convert to fraction form
    192,420.31/265,540.44 = 107,537.38/x
  3. Step 3: Cross multiply
    192,420.31x = 265,540.44 × 107,537.38
  4. Step 4: Simplify right side
    192,420.31x = 28,555,523,201.65
  5. Step 5: Solve for x
    x = 28,555,523,201.65/192,420.31
  6. Step 6: Final answer
    x = 148,401.81

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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.