Home / 154,983.84-232,453.68-49,789.20

Finding the Fourth Proportional to 154,983.84, 232,453.68 and 49,789.20

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Solution

The fourth proportional to 154,983.84, 232,453.68 and 49,789.20 is: 74,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,983.84 : 232,453.68 = 49,789.20 : x
  2. Step 2: Convert to fraction form
    154,983.84/232,453.68 = 49,789.20/x
  3. Step 3: Cross multiply
    154,983.84x = 232,453.68 × 49,789.20
  4. Step 4: Simplify right side
    154,983.84x = 11,573,682,764.26
  5. Step 5: Solve for x
    x = 11,573,682,764.26/154,983.84
  6. Step 6: Final answer
    x = 74,676.71

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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.