Home / 327,733.68-491,588.16-135,603

Finding the Fourth Proportional to 327,733.68, 491,588.16 and 135,603

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Solution

The fourth proportional to 327,733.68, 491,588.16 and 135,603 is: 203,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,733.68 : 491,588.16 = 135,603 : x
  2. Step 2: Convert to fraction form
    327,733.68/491,588.16 = 135,603/x
  3. Step 3: Cross multiply
    327,733.68x = 491,588.16 × 135,603
  4. Step 4: Simplify right side
    327,733.68x = 66,660,829,260.48
  5. Step 5: Solve for x
    x = 66,660,829,260.48/327,733.68
  6. Step 6: Final answer
    x = 203,399.39

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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.