Home / 339,945.72-509,976.90-182,131.80

Finding the Fourth Proportional to 339,945.72, 509,976.90 and 182,131.80

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Solution

The fourth proportional to 339,945.72, 509,976.90 and 182,131.80 is: 273,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,945.72 : 509,976.90 = 182,131.80 : x
  2. Step 2: Convert to fraction form
    339,945.72/509,976.90 = 182,131.80/x
  3. Step 3: Cross multiply
    339,945.72x = 509,976.90 × 182,131.80
  4. Step 4: Simplify right side
    339,945.72x = 92,883,010,755.42
  5. Step 5: Solve for x
    x = 92,883,010,755.42/339,945.72
  6. Step 6: Final answer
    x = 273,228.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.