Home / 168,028.48-231,884.64-92,579.68

Finding the Fourth Proportional to 168,028.48, 231,884.64 and 92,579.68

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Solution

The fourth proportional to 168,028.48, 231,884.64 and 92,579.68 is: 127,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.48 : 231,884.64 = 92,579.68 : x
  2. Step 2: Convert to fraction form
    168,028.48/231,884.64 = 92,579.68/x
  3. Step 3: Cross multiply
    168,028.48x = 231,884.64 × 92,579.68
  4. Step 4: Simplify right side
    168,028.48x = 21,467,805,768.12
  5. Step 5: Solve for x
    x = 21,467,805,768.12/168,028.48
  6. Step 6: Final answer
    x = 127,762.90

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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.