Home / 297,943.78-411,170.52-161,986.87

Finding the Fourth Proportional to 297,943.78, 411,170.52 and 161,986.87

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Solution

The fourth proportional to 297,943.78, 411,170.52 and 161,986.87 is: 223,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,943.78 : 411,170.52 = 161,986.87 : x
  2. Step 2: Convert to fraction form
    297,943.78/411,170.52 = 161,986.87/x
  3. Step 3: Cross multiply
    297,943.78x = 411,170.52 × 161,986.87
  4. Step 4: Simplify right side
    297,943.78x = 66,604,225,571.07
  5. Step 5: Solve for x
    x = 66,604,225,571.07/297,943.78
  6. Step 6: Final answer
    x = 223,546.29

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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.