Home / 213,379.11-294,469.02-117,891.86

Finding the Fourth Proportional to 213,379.11, 294,469.02 and 117,891.86

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Solution

The fourth proportional to 213,379.11, 294,469.02 and 117,891.86 is: 162,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,379.11 : 294,469.02 = 117,891.86 : x
  2. Step 2: Convert to fraction form
    213,379.11/294,469.02 = 117,891.86/x
  3. Step 3: Cross multiply
    213,379.11x = 294,469.02 × 117,891.86
  4. Step 4: Simplify right side
    213,379.11x = 34,715,499,007.83
  5. Step 5: Solve for x
    x = 34,715,499,007.83/213,379.11
  6. Step 6: Final answer
    x = 162,693.99

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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.