Home / 226,435.77-339,633.81-76,672.64

Finding the Fourth Proportional to 226,435.77, 339,633.81 and 76,672.64

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Solution

The fourth proportional to 226,435.77, 339,633.81 and 76,672.64 is: 115,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,435.77 : 339,633.81 = 76,672.64 : x
  2. Step 2: Convert to fraction form
    226,435.77/339,633.81 = 76,672.64/x
  3. Step 3: Cross multiply
    226,435.77x = 339,633.81 × 76,672.64
  4. Step 4: Simplify right side
    226,435.77x = 26,040,621,695.04
  5. Step 5: Solve for x
    x = 26,040,621,695.04/226,435.77
  6. Step 6: Final answer
    x = 115,002.24

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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.