Home / 229,816.20-344,735.10-72,049.80

Finding the Fourth Proportional to 229,816.20, 344,735.10 and 72,049.80

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Solution

The fourth proportional to 229,816.20, 344,735.10 and 72,049.80 is: 108,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,816.20 : 344,735.10 = 72,049.80 : x
  2. Step 2: Convert to fraction form
    229,816.20/344,735.10 = 72,049.80/x
  3. Step 3: Cross multiply
    229,816.20x = 344,735.10 × 72,049.80
  4. Step 4: Simplify right side
    229,816.20x = 24,838,095,007.98
  5. Step 5: Solve for x
    x = 24,838,095,007.98/229,816.20
  6. Step 6: Final answer
    x = 108,078.09

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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.