Home / 168,030.32-231,884.51-91,553.02

Finding the Fourth Proportional to 168,030.32, 231,884.51 and 91,553.02

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Solution

The fourth proportional to 168,030.32, 231,884.51 and 91,553.02 is: 126,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030.32 : 231,884.51 = 91,553.02 : x
  2. Step 2: Convert to fraction form
    168,030.32/231,884.51 = 91,553.02/x
  3. Step 3: Cross multiply
    168,030.32x = 231,884.51 × 91,553.02
  4. Step 4: Simplify right side
    168,030.32x = 21,229,726,144.24
  5. Step 5: Solve for x
    x = 21,229,726,144.24/168,030.32
  6. Step 6: Final answer
    x = 126,344.62

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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.