Home / 168,008.58-231,847.52-91,525.55

Finding the Fourth Proportional to 168,008.58, 231,847.52 and 91,525.55

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Solution

The fourth proportional to 168,008.58, 231,847.52 and 91,525.55 is: 126,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,008.58 : 231,847.52 = 91,525.55 : x
  2. Step 2: Convert to fraction form
    168,008.58/231,847.52 = 91,525.55/x
  3. Step 3: Cross multiply
    168,008.58x = 231,847.52 × 91,525.55
  4. Step 4: Simplify right side
    168,008.58x = 21,219,970,167.27
  5. Step 5: Solve for x
    x = 21,219,970,167.27/168,008.58
  6. Step 6: Final answer
    x = 126,302.90

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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.