Home / 213,049.62-294,017.19-122,434.02

Finding the Fourth Proportional to 213,049.62, 294,017.19 and 122,434.02

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Solution

The fourth proportional to 213,049.62, 294,017.19 and 122,434.02 is: 168,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,049.62 : 294,017.19 = 122,434.02 : x
  2. Step 2: Convert to fraction form
    213,049.62/294,017.19 = 122,434.02/x
  3. Step 3: Cross multiply
    213,049.62x = 294,017.19 × 122,434.02
  4. Step 4: Simplify right side
    213,049.62x = 35,997,706,520.80
  5. Step 5: Solve for x
    x = 35,997,706,520.80/213,049.62
  6. Step 6: Final answer
    x = 168,963.96

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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.