Home / 343,717.29-515,537.73-107,040.15

Finding the Fourth Proportional to 343,717.29, 515,537.73 and 107,040.15

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Solution

The fourth proportional to 343,717.29, 515,537.73 and 107,040.15 is: 160,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,717.29 : 515,537.73 = 107,040.15 : x
  2. Step 2: Convert to fraction form
    343,717.29/515,537.73 = 107,040.15/x
  3. Step 3: Cross multiply
    343,717.29x = 515,537.73 × 107,040.15
  4. Step 4: Simplify right side
    343,717.29x = 55,183,235,949.86
  5. Step 5: Solve for x
    x = 55,183,235,949.86/343,717.29
  6. Step 6: Final answer
    x = 160,548.33

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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.