Home / 297,943.52-411,170.16-161,986.61

Finding the Fourth Proportional to 297,943.52, 411,170.16 and 161,986.61

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Solution

The fourth proportional to 297,943.52, 411,170.16 and 161,986.61 is: 223,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,943.52 : 411,170.16 = 161,986.61 : x
  2. Step 2: Convert to fraction form
    297,943.52/411,170.16 = 161,986.61/x
  3. Step 3: Cross multiply
    297,943.52x = 411,170.16 × 161,986.61
  4. Step 4: Simplify right side
    297,943.52x = 66,604,060,351.56
  5. Step 5: Solve for x
    x = 66,604,060,351.56/297,943.52
  6. Step 6: Final answer
    x = 223,545.93

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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.