Home / 327,836.46-491,462.94-128,111.42

Finding the Fourth Proportional to 327,836.46, 491,462.94 and 128,111.42

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Solution

The fourth proportional to 327,836.46, 491,462.94 and 128,111.42 is: 192,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,836.46 : 491,462.94 = 128,111.42 : x
  2. Step 2: Convert to fraction form
    327,836.46/491,462.94 = 128,111.42/x
  3. Step 3: Cross multiply
    327,836.46x = 491,462.94 × 128,111.42
  4. Step 4: Simplify right side
    327,836.46x = 62,962,016,829.85
  5. Step 5: Solve for x
    x = 62,962,016,829.85/327,836.46
  6. Step 6: Final answer
    x = 192,053.12

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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.