Home / 409,552.14-614,286.67-109,993.78

Finding the Fourth Proportional to 409,552.14, 614,286.67 and 109,993.78

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Solution

The fourth proportional to 409,552.14, 614,286.67 and 109,993.78 is: 164,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,552.14 : 614,286.67 = 109,993.78 : x
  2. Step 2: Convert to fraction form
    409,552.14/614,286.67 = 109,993.78/x
  3. Step 3: Cross multiply
    409,552.14x = 614,286.67 × 109,993.78
  4. Step 4: Simplify right side
    409,552.14x = 67,567,712,836.91
  5. Step 5: Solve for x
    x = 67,567,712,836.91/409,552.14
  6. Step 6: Final answer
    x = 164,979.51

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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.