Home / 290,856.49-401,376.67-161,794.33

Finding the Fourth Proportional to 290,856.49, 401,376.67 and 161,794.33

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Solution

The fourth proportional to 290,856.49, 401,376.67 and 161,794.33 is: 223,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,856.49 : 401,376.67 = 161,794.33 : x
  2. Step 2: Convert to fraction form
    290,856.49/401,376.67 = 161,794.33/x
  3. Step 3: Cross multiply
    290,856.49x = 401,376.67 × 161,794.33
  4. Step 4: Simplify right side
    290,856.49x = 64,940,467,992.35
  5. Step 5: Solve for x
    x = 64,940,467,992.35/290,856.49
  6. Step 6: Final answer
    x = 223,273.23

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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.