Home / 219,071.70-327,022.82-192,499.65

Finding the Fourth Proportional to 219,071.70, 327,022.82 and 192,499.65

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Solution

The fourth proportional to 219,071.70, 327,022.82 and 192,499.65 is: 287,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,071.70 : 327,022.82 = 192,499.65 : x
  2. Step 2: Convert to fraction form
    219,071.70/327,022.82 = 192,499.65/x
  3. Step 3: Cross multiply
    219,071.70x = 327,022.82 × 192,499.65
  4. Step 4: Simplify right side
    219,071.70x = 62,951,777,429.51
  5. Step 5: Solve for x
    x = 62,951,777,429.51/219,071.70
  6. Step 6: Final answer
    x = 287,356.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.