Home / 327,661.67-451,940.18-218,711.07

Finding the Fourth Proportional to 327,661.67, 451,940.18 and 218,711.07

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Solution

The fourth proportional to 327,661.67, 451,940.18 and 218,711.07 is: 301,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,661.67 : 451,940.18 = 218,711.07 : x
  2. Step 2: Convert to fraction form
    327,661.67/451,940.18 = 218,711.07/x
  3. Step 3: Cross multiply
    327,661.67x = 451,940.18 × 218,711.07
  4. Step 4: Simplify right side
    327,661.67x = 98,844,320,097.63
  5. Step 5: Solve for x
    x = 98,844,320,097.63/327,661.67
  6. Step 6: Final answer
    x = 301,665.81

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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.