Home / 219,202.20-328,976.16-112,581.84

Finding the Fourth Proportional to 219,202.20, 328,976.16 and 112,581.84

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Solution

The fourth proportional to 219,202.20, 328,976.16 and 112,581.84 is: 168,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,202.20 : 328,976.16 = 112,581.84 : x
  2. Step 2: Convert to fraction form
    219,202.20/328,976.16 = 112,581.84/x
  3. Step 3: Cross multiply
    219,202.20x = 328,976.16 × 112,581.84
  4. Step 4: Simplify right side
    219,202.20x = 37,036,741,408.93
  5. Step 5: Solve for x
    x = 37,036,741,408.93/219,202.20
  6. Step 6: Final answer
    x = 168,961.54

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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.