Home / 326,116.27-489,169.85-113,039.29

Finding the Fourth Proportional to 326,116.27, 489,169.85 and 113,039.29

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Solution

The fourth proportional to 326,116.27, 489,169.85 and 113,039.29 is: 169,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,116.27 : 489,169.85 = 113,039.29 : x
  2. Step 2: Convert to fraction form
    326,116.27/489,169.85 = 113,039.29/x
  3. Step 3: Cross multiply
    326,116.27x = 489,169.85 × 113,039.29
  4. Step 4: Simplify right side
    326,116.27x = 55,295,410,745.29
  5. Step 5: Solve for x
    x = 55,295,410,745.29/326,116.27
  6. Step 6: Final answer
    x = 169,557.35

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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.