Home / 213,589.92-294,746.85-122,933.31

Finding the Fourth Proportional to 213,589.92, 294,746.85 and 122,933.31

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Solution

The fourth proportional to 213,589.92, 294,746.85 and 122,933.31 is: 169,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,589.92 : 294,746.85 = 122,933.31 : x
  2. Step 2: Convert to fraction form
    213,589.92/294,746.85 = 122,933.31/x
  3. Step 3: Cross multiply
    213,589.92x = 294,746.85 × 122,933.31
  4. Step 4: Simplify right side
    213,589.92x = 36,234,205,882.57
  5. Step 5: Solve for x
    x = 36,234,205,882.57/213,589.92
  6. Step 6: Final answer
    x = 169,643.80

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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.