Home / 168,029.06-231,873.36-91,548.77

Finding the Fourth Proportional to 168,029.06, 231,873.36 and 91,548.77

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Solution

The fourth proportional to 168,029.06, 231,873.36 and 91,548.77 is: 126,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.06 : 231,873.36 = 91,548.77 : x
  2. Step 2: Convert to fraction form
    168,029.06/231,873.36 = 91,548.77/x
  3. Step 3: Cross multiply
    168,029.06x = 231,873.36 × 91,548.77
  4. Step 4: Simplify right side
    168,029.06x = 21,227,720,903.77
  5. Step 5: Solve for x
    x = 21,227,720,903.77/168,029.06
  6. Step 6: Final answer
    x = 126,333.63

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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.