Home / 168,076.03-231,944.96-91,595.15

Finding the Fourth Proportional to 168,076.03, 231,944.96 and 91,595.15

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Solution

The fourth proportional to 168,076.03, 231,944.96 and 91,595.15 is: 126,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.03 : 231,944.96 = 91,595.15 : x
  2. Step 2: Convert to fraction form
    168,076.03/231,944.96 = 91,595.15/x
  3. Step 3: Cross multiply
    168,076.03x = 231,944.96 × 91,595.15
  4. Step 4: Simplify right side
    168,076.03x = 21,245,032,128.73
  5. Step 5: Solve for x
    x = 21,245,032,128.73/168,076.03
  6. Step 6: Final answer
    x = 126,401.32

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1.5x scale

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.