Home / 219,961.72-303,546.10-119,359.72

Finding the Fourth Proportional to 219,961.72, 303,546.10 and 119,359.72

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Solution

The fourth proportional to 219,961.72, 303,546.10 and 119,359.72 is: 164,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,961.72 : 303,546.10 = 119,359.72 : x
  2. Step 2: Convert to fraction form
    219,961.72/303,546.10 = 119,359.72/x
  3. Step 3: Cross multiply
    219,961.72x = 303,546.10 × 119,359.72
  4. Step 4: Simplify right side
    219,961.72x = 36,231,175,388.56
  5. Step 5: Solve for x
    x = 36,231,175,388.56/219,961.72
  6. Step 6: Final answer
    x = 164,715.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.