Home / 126,383.23-174,408.72-69,794.47

Finding the Fourth Proportional to 126,383.23, 174,408.72 and 69,794.47

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Solution

The fourth proportional to 126,383.23, 174,408.72 and 69,794.47 is: 96,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.23 : 174,408.72 = 69,794.47 : x
  2. Step 2: Convert to fraction form
    126,383.23/174,408.72 = 69,794.47/x
  3. Step 3: Cross multiply
    126,383.23x = 174,408.72 × 69,794.47
  4. Step 4: Simplify right side
    126,383.23x = 12,172,764,175.78
  5. Step 5: Solve for x
    x = 12,172,764,175.78/126,383.23
  6. Step 6: Final answer
    x = 96,316.29

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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.