Home / 126,135.48-174,066.26-69,546.90

Finding the Fourth Proportional to 126,135.48, 174,066.26 and 69,546.90

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Solution

The fourth proportional to 126,135.48, 174,066.26 and 69,546.90 is: 95,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,135.48 : 174,066.26 = 69,546.90 : x
  2. Step 2: Convert to fraction form
    126,135.48/174,066.26 = 69,546.90/x
  3. Step 3: Cross multiply
    126,135.48x = 174,066.26 × 69,546.90
  4. Step 4: Simplify right side
    126,135.48x = 12,105,768,429.86
  5. Step 5: Solve for x
    x = 12,105,768,429.86/126,135.48
  6. Step 6: Final answer
    x = 95,974.33

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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.