Home / 262,317.28-393,665.44-104,454.72

Finding the Fourth Proportional to 262,317.28, 393,665.44 and 104,454.72

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Solution

The fourth proportional to 262,317.28, 393,665.44 and 104,454.72 is: 156,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,317.28 : 393,665.44 = 104,454.72 : x
  2. Step 2: Convert to fraction form
    262,317.28/393,665.44 = 104,454.72/x
  3. Step 3: Cross multiply
    262,317.28x = 393,665.44 × 104,454.72
  4. Step 4: Simplify right side
    262,317.28x = 41,120,213,308.88
  5. Step 5: Solve for x
    x = 41,120,213,308.88/262,317.28
  6. Step 6: Final answer
    x = 156,757.55

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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.