Home / 168,057.12-231,908.40-96,443.04

Finding the Fourth Proportional to 168,057.12, 231,908.40 and 96,443.04

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Solution

The fourth proportional to 168,057.12, 231,908.40 and 96,443.04 is: 133,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.12 : 231,908.40 = 96,443.04 : x
  2. Step 2: Convert to fraction form
    168,057.12/231,908.40 = 96,443.04/x
  3. Step 3: Cross multiply
    168,057.12x = 231,908.40 × 96,443.04
  4. Step 4: Simplify right side
    168,057.12x = 22,365,951,097.54
  5. Step 5: Solve for x
    x = 22,365,951,097.54/168,057.12
  6. Step 6: Final answer
    x = 133,085.41

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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.