Home / 297,951.13-411,180.67-161,994.23

Finding the Fourth Proportional to 297,951.13, 411,180.67 and 161,994.23

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Solution

The fourth proportional to 297,951.13, 411,180.67 and 161,994.23 is: 223,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,951.13 : 411,180.67 = 161,994.23 : x
  2. Step 2: Convert to fraction form
    297,951.13/411,180.67 = 161,994.23/x
  3. Step 3: Cross multiply
    297,951.13x = 411,180.67 × 161,994.23
  4. Step 4: Simplify right side
    297,951.13x = 66,608,895,716.05
  5. Step 5: Solve for x
    x = 66,608,895,716.05/297,951.13
  6. Step 6: Final answer
    x = 223,556.45

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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.