Home / 146,324.88-219,488.19-45,121.53

Finding the Fourth Proportional to 146,324.88, 219,488.19 and 45,121.53

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Solution

The fourth proportional to 146,324.88, 219,488.19 and 45,121.53 is: 67,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,324.88 : 219,488.19 = 45,121.53 : x
  2. Step 2: Convert to fraction form
    146,324.88/219,488.19 = 45,121.53/x
  3. Step 3: Cross multiply
    146,324.88x = 219,488.19 × 45,121.53
  4. Step 4: Simplify right side
    146,324.88x = 9,903,642,949.73
  5. Step 5: Solve for x
    x = 9,903,642,949.73/146,324.88
  6. Step 6: Final answer
    x = 67,682.56

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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.