Home / 165,344.41-228,174.33-91,756.10

Finding the Fourth Proportional to 165,344.41, 228,174.33 and 91,756.10

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Solution

The fourth proportional to 165,344.41, 228,174.33 and 91,756.10 is: 126,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,344.41 : 228,174.33 = 91,756.10 : x
  2. Step 2: Convert to fraction form
    165,344.41/228,174.33 = 91,756.10/x
  3. Step 3: Cross multiply
    165,344.41x = 228,174.33 × 91,756.10
  4. Step 4: Simplify right side
    165,344.41x = 20,936,387,555.43
  5. Step 5: Solve for x
    x = 20,936,387,555.43/165,344.41
  6. Step 6: Final answer
    x = 126,622.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.