Home / 433,306.11-649,976.45-133,760.19

Finding the Fourth Proportional to 433,306.11, 649,976.45 and 133,760.19

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Solution

The fourth proportional to 433,306.11, 649,976.45 and 133,760.19 is: 200,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,306.11 : 649,976.45 = 133,760.19 : x
  2. Step 2: Convert to fraction form
    433,306.11/649,976.45 = 133,760.19/x
  3. Step 3: Cross multiply
    433,306.11x = 649,976.45 × 133,760.19
  4. Step 4: Simplify right side
    433,306.11x = 86,940,972,778.72
  5. Step 5: Solve for x
    x = 86,940,972,778.72/433,306.11
  6. Step 6: Final answer
    x = 200,645.62

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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.