Home / 306,211.97-422,572.66-177,168.03

Finding the Fourth Proportional to 306,211.97, 422,572.66 and 177,168.03

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Solution

The fourth proportional to 306,211.97, 422,572.66 and 177,168.03 is: 244,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,211.97 : 422,572.66 = 177,168.03 : x
  2. Step 2: Convert to fraction form
    306,211.97/422,572.66 = 177,168.03/x
  3. Step 3: Cross multiply
    306,211.97x = 422,572.66 × 177,168.03
  4. Step 4: Simplify right side
    306,211.97x = 74,866,365,261.14
  5. Step 5: Solve for x
    x = 74,866,365,261.14/306,211.97
  6. Step 6: Final answer
    x = 244,491.97

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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.