Home / 297,944.28-411,171.21-161,987.37

Finding the Fourth Proportional to 297,944.28, 411,171.21 and 161,987.37

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Solution

The fourth proportional to 297,944.28, 411,171.21 and 161,987.37 is: 223,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,944.28 : 411,171.21 = 161,987.37 : x
  2. Step 2: Convert to fraction form
    297,944.28/411,171.21 = 161,987.37/x
  3. Step 3: Cross multiply
    297,944.28x = 411,171.21 × 161,987.37
  4. Step 4: Simplify right side
    297,944.28x = 66,604,542,927.62
  5. Step 5: Solve for x
    x = 66,604,542,927.62/297,944.28
  6. Step 6: Final answer
    x = 223,546.98

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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.