Home / 335,786.20-503,768.40-146,165.20

Finding the Fourth Proportional to 335,786.20, 503,768.40 and 146,165.20

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Solution

The fourth proportional to 335,786.20, 503,768.40 and 146,165.20 is: 219,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,786.20 : 503,768.40 = 146,165.20 : x
  2. Step 2: Convert to fraction form
    335,786.20/503,768.40 = 146,165.20/x
  3. Step 3: Cross multiply
    335,786.20x = 503,768.40 × 146,165.20
  4. Step 4: Simplify right side
    335,786.20x = 73,633,408,939.68
  5. Step 5: Solve for x
    x = 73,633,408,939.68/335,786.20
  6. Step 6: Final answer
    x = 219,286.58

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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.