Home / 226,022.72-340,387.58-205,844.61

Finding the Fourth Proportional to 226,022.72, 340,387.58 and 205,844.61

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Solution

The fourth proportional to 226,022.72, 340,387.58 and 205,844.61 is: 309,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,022.72 : 340,387.58 = 205,844.61 : x
  2. Step 2: Convert to fraction form
    226,022.72/340,387.58 = 205,844.61/x
  3. Step 3: Cross multiply
    226,022.72x = 340,387.58 × 205,844.61
  4. Step 4: Simplify right side
    226,022.72x = 70,066,949,168.56
  5. Step 5: Solve for x
    x = 70,066,949,168.56/226,022.72
  6. Step 6: Final answer
    x = 309,999.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.