Home / 126,355.86-174,372.42-69,767.10

Finding the Fourth Proportional to 126,355.86, 174,372.42 and 69,767.10

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Solution

The fourth proportional to 126,355.86, 174,372.42 and 69,767.10 is: 96,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.86 : 174,372.42 = 69,767.10 : x
  2. Step 2: Convert to fraction form
    126,355.86/174,372.42 = 69,767.10/x
  3. Step 3: Cross multiply
    126,355.86x = 174,372.42 × 69,767.10
  4. Step 4: Simplify right side
    126,355.86x = 12,165,458,063.38
  5. Step 5: Solve for x
    x = 12,165,458,063.38/126,355.86
  6. Step 6: Final answer
    x = 96,279.33

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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.