Home / 372,144.14-513,704.82-263,814.62

Finding the Fourth Proportional to 372,144.14, 513,704.82 and 263,814.62

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Solution

The fourth proportional to 372,144.14, 513,704.82 and 263,814.62 is: 364,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,144.14 : 513,704.82 = 263,814.62 : x
  2. Step 2: Convert to fraction form
    372,144.14/513,704.82 = 263,814.62/x
  3. Step 3: Cross multiply
    372,144.14x = 513,704.82 × 263,814.62
  4. Step 4: Simplify right side
    372,144.14x = 135,522,841,880.47
  5. Step 5: Solve for x
    x = 135,522,841,880.47/372,144.14
  6. Step 6: Final answer
    x = 364,167.61

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1.5x scale

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.