Home / 226,727.40-340,091.10-212,730.60

Finding the Fourth Proportional to 226,727.40, 340,091.10 and 212,730.60

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Solution

The fourth proportional to 226,727.40, 340,091.10 and 212,730.60 is: 319,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,727.40 : 340,091.10 = 212,730.60 : x
  2. Step 2: Convert to fraction form
    226,727.40/340,091.10 = 212,730.60/x
  3. Step 3: Cross multiply
    226,727.40x = 340,091.10 × 212,730.60
  4. Step 4: Simplify right side
    226,727.40x = 72,347,783,757.66
  5. Step 5: Solve for x
    x = 72,347,783,757.66/226,727.40
  6. Step 6: Final answer
    x = 319,095.90

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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.