Home / 165,144.41-227,885.37-91,558.80

Finding the Fourth Proportional to 165,144.41, 227,885.37 and 91,558.80

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Solution

The fourth proportional to 165,144.41, 227,885.37 and 91,558.80 is: 126,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144.41 : 227,885.37 = 91,558.80 : x
  2. Step 2: Convert to fraction form
    165,144.41/227,885.37 = 91,558.80/x
  3. Step 3: Cross multiply
    165,144.41x = 227,885.37 × 91,558.80
  4. Step 4: Simplify right side
    165,144.41x = 20,864,911,126.68
  5. Step 5: Solve for x
    x = 20,864,911,126.68/165,144.41
  6. Step 6: Final answer
    x = 126,343.43

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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.