Home / 167,405.20-231,008.97-91,953.70

Finding the Fourth Proportional to 167,405.20, 231,008.97 and 91,953.70

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Solution

The fourth proportional to 167,405.20, 231,008.97 and 91,953.70 is: 126,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,405.20 : 231,008.97 = 91,953.70 : x
  2. Step 2: Convert to fraction form
    167,405.20/231,008.97 = 91,953.70/x
  3. Step 3: Cross multiply
    167,405.20x = 231,008.97 × 91,953.70
  4. Step 4: Simplify right side
    167,405.20x = 21,242,129,524.69
  5. Step 5: Solve for x
    x = 21,242,129,524.69/167,405.20
  6. Step 6: Final answer
    x = 126,890.50

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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.