Home / 423,451.44-635,162.04-107,905.68

Finding the Fourth Proportional to 423,451.44, 635,162.04 and 107,905.68

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Solution

The fourth proportional to 423,451.44, 635,162.04 and 107,905.68 is: 161,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,451.44 : 635,162.04 = 107,905.68 : x
  2. Step 2: Convert to fraction form
    423,451.44/635,162.04 = 107,905.68/x
  3. Step 3: Cross multiply
    423,451.44x = 635,162.04 × 107,905.68
  4. Step 4: Simplify right side
    423,451.44x = 68,537,591,836.39
  5. Step 5: Solve for x
    x = 68,537,591,836.39/423,451.44
  6. Step 6: Final answer
    x = 161,854.67

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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.