Home / 322,619.10-483,863.85-154,139.10

Finding the Fourth Proportional to 322,619.10, 483,863.85 and 154,139.10

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Solution

The fourth proportional to 322,619.10, 483,863.85 and 154,139.10 is: 231,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,619.10 : 483,863.85 = 154,139.10 : x
  2. Step 2: Convert to fraction form
    322,619.10/483,863.85 = 154,139.10/x
  3. Step 3: Cross multiply
    322,619.10x = 483,863.85 × 154,139.10
  4. Step 4: Simplify right side
    322,619.10x = 74,582,338,361.54
  5. Step 5: Solve for x
    x = 74,582,338,361.54/322,619.10
  6. Step 6: Final answer
    x = 231,177.69

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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.