Home / 168,112.16-231,994.68-92,660.64

Finding the Fourth Proportional to 168,112.16, 231,994.68 and 92,660.64

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Solution

The fourth proportional to 168,112.16, 231,994.68 and 92,660.64 is: 127,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,112.16 : 231,994.68 = 92,660.64 : x
  2. Step 2: Convert to fraction form
    168,112.16/231,994.68 = 92,660.64/x
  3. Step 3: Cross multiply
    168,112.16x = 231,994.68 × 92,660.64
  4. Step 4: Simplify right side
    168,112.16x = 21,496,775,525.40
  5. Step 5: Solve for x
    x = 21,496,775,525.40/168,112.16
  6. Step 6: Final answer
    x = 127,871.63

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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.