Home / 407,729.18-611,546.22-108,233.03

Finding the Fourth Proportional to 407,729.18, 611,546.22 and 108,233.03

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Solution

The fourth proportional to 407,729.18, 611,546.22 and 108,233.03 is: 162,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,729.18 : 611,546.22 = 108,233.03 : x
  2. Step 2: Convert to fraction form
    407,729.18/611,546.22 = 108,233.03/x
  3. Step 3: Cross multiply
    407,729.18x = 611,546.22 × 108,233.03
  4. Step 4: Simplify right side
    407,729.18x = 66,189,497,317.92
  5. Step 5: Solve for x
    x = 66,189,497,317.92/407,729.18
  6. Step 6: Final answer
    x = 162,336.92

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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.