Home / 167,917.55-231,722.90-91,437.58

Finding the Fourth Proportional to 167,917.55, 231,722.90 and 91,437.58

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Solution

The fourth proportional to 167,917.55, 231,722.90 and 91,437.58 is: 126,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,917.55 : 231,722.90 = 91,437.58 : x
  2. Step 2: Convert to fraction form
    167,917.55/231,722.90 = 91,437.58/x
  3. Step 3: Cross multiply
    167,917.55x = 231,722.90 × 91,437.58
  4. Step 4: Simplify right side
    167,917.55x = 21,188,180,170.09
  5. Step 5: Solve for x
    x = 21,188,180,170.09/167,917.55
  6. Step 6: Final answer
    x = 126,182.05

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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.