Home / 218,814.21-327,653.37-187,425.63

Finding the Fourth Proportional to 218,814.21, 327,653.37 and 187,425.63

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Solution

The fourth proportional to 218,814.21, 327,653.37 and 187,425.63 is: 280,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,814.21 : 327,653.37 = 187,425.63 : x
  2. Step 2: Convert to fraction form
    218,814.21/327,653.37 = 187,425.63/x
  3. Step 3: Cross multiply
    218,814.21x = 327,653.37 × 187,425.63
  4. Step 4: Simplify right side
    218,814.21x = 61,410,639,293.87
  5. Step 5: Solve for x
    x = 61,410,639,293.87/218,814.21
  6. Step 6: Final answer
    x = 280,651.97

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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.