Home / 298,947.94-412,564.57-171,631.73

Finding the Fourth Proportional to 298,947.94, 412,564.57 and 171,631.73

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Solution

The fourth proportional to 298,947.94, 412,564.57 and 171,631.73 is: 236,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,947.94 : 412,564.57 = 171,631.73 : x
  2. Step 2: Convert to fraction form
    298,947.94/412,564.57 = 171,631.73/x
  3. Step 3: Cross multiply
    298,947.94x = 412,564.57 × 171,631.73
  4. Step 4: Simplify right side
    298,947.94x = 70,809,171,488.14
  5. Step 5: Solve for x
    x = 70,809,171,488.14/298,947.94
  6. Step 6: Final answer
    x = 236,861.21

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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.