Home / 343,718.29-515,539.23-107,041.15

Finding the Fourth Proportional to 343,718.29, 515,539.23 and 107,041.15

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Solution

The fourth proportional to 343,718.29, 515,539.23 and 107,041.15 is: 160,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,718.29 : 515,539.23 = 107,041.15 : x
  2. Step 2: Convert to fraction form
    343,718.29/515,539.23 = 107,041.15/x
  3. Step 3: Cross multiply
    343,718.29x = 515,539.23 × 107,041.15
  4. Step 4: Simplify right side
    343,718.29x = 55,183,912,049.31
  5. Step 5: Solve for x
    x = 55,183,912,049.31/343,718.29
  6. Step 6: Final answer
    x = 160,549.83

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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.