Home / 327,636.70-491,477.31-111,407.37

Finding the Fourth Proportional to 327,636.70, 491,477.31 and 111,407.37

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Solution

The fourth proportional to 327,636.70, 491,477.31 and 111,407.37 is: 167,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,636.70 : 491,477.31 = 111,407.37 : x
  2. Step 2: Convert to fraction form
    327,636.70/491,477.31 = 111,407.37/x
  3. Step 3: Cross multiply
    327,636.70x = 491,477.31 × 111,407.37
  4. Step 4: Simplify right side
    327,636.70x = 54,754,192,678.73
  5. Step 5: Solve for x
    x = 54,754,192,678.73/327,636.70
  6. Step 6: Final answer
    x = 167,118.62

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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.