Home / 188,650.21-282,906.84-103,324.45

Finding the Fourth Proportional to 188,650.21, 282,906.84 and 103,324.45

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Solution

The fourth proportional to 188,650.21, 282,906.84 and 103,324.45 is: 154,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,650.21 : 282,906.84 = 103,324.45 : x
  2. Step 2: Convert to fraction form
    188,650.21/282,906.84 = 103,324.45/x
  3. Step 3: Cross multiply
    188,650.21x = 282,906.84 × 103,324.45
  4. Step 4: Simplify right side
    188,650.21x = 29,231,193,644.24
  5. Step 5: Solve for x
    x = 29,231,193,644.24/188,650.21
  6. Step 6: Final answer
    x = 154,949.17

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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.