Home / 168,028.95-231,877.82-91,551.23

Finding the Fourth Proportional to 168,028.95, 231,877.82 and 91,551.23

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Solution

The fourth proportional to 168,028.95, 231,877.82 and 91,551.23 is: 126,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.95 : 231,877.82 = 91,551.23 : x
  2. Step 2: Convert to fraction form
    168,028.95/231,877.82 = 91,551.23/x
  3. Step 3: Cross multiply
    168,028.95x = 231,877.82 × 91,551.23
  4. Step 4: Simplify right side
    168,028.95x = 21,228,699,630.72
  5. Step 5: Solve for x
    x = 21,228,699,630.72/168,028.95
  6. Step 6: Final answer
    x = 126,339.54

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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.