Home / 327,618.97-451,988.54-203,381.67

Finding the Fourth Proportional to 327,618.97, 451,988.54 and 203,381.67

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Solution

The fourth proportional to 327,618.97, 451,988.54 and 203,381.67 is: 280,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,618.97 : 451,988.54 = 203,381.67 : x
  2. Step 2: Convert to fraction form
    327,618.97/451,988.54 = 203,381.67/x
  3. Step 3: Cross multiply
    327,618.97x = 451,988.54 × 203,381.67
  4. Step 4: Simplify right side
    327,618.97x = 91,926,182,899.56
  5. Step 5: Solve for x
    x = 91,926,182,899.56/327,618.97
  6. Step 6: Final answer
    x = 280,588.71

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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.