Home / 226,756.72-340,172.28-68,948.56

Finding the Fourth Proportional to 226,756.72, 340,172.28 and 68,948.56

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Solution

The fourth proportional to 226,756.72, 340,172.28 and 68,948.56 is: 103,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,756.72 : 340,172.28 = 68,948.56 : x
  2. Step 2: Convert to fraction form
    226,756.72/340,172.28 = 68,948.56/x
  3. Step 3: Cross multiply
    226,756.72x = 340,172.28 × 68,948.56
  4. Step 4: Simplify right side
    226,756.72x = 23,454,388,857.92
  5. Step 5: Solve for x
    x = 23,454,388,857.92/226,756.72
  6. Step 6: Final answer
    x = 103,434.15

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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.