Home / 146,540.20-219,465.83-71,424.94

Finding the Fourth Proportional to 146,540.20, 219,465.83 and 71,424.94

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Solution

The fourth proportional to 146,540.20, 219,465.83 and 71,424.94 is: 106,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.20 : 219,465.83 = 71,424.94 : x
  2. Step 2: Convert to fraction form
    146,540.20/219,465.83 = 71,424.94/x
  3. Step 3: Cross multiply
    146,540.20x = 219,465.83 × 71,424.94
  4. Step 4: Simplify right side
    146,540.20x = 15,675,334,467.03
  5. Step 5: Solve for x
    x = 15,675,334,467.03/146,540.20
  6. Step 6: Final answer
    x = 106,969.52

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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.