Home / 167,440.50-231,069.51-91,990.62

Finding the Fourth Proportional to 167,440.50, 231,069.51 and 91,990.62

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Solution

The fourth proportional to 167,440.50, 231,069.51 and 91,990.62 is: 126,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,440.50 : 231,069.51 = 91,990.62 : x
  2. Step 2: Convert to fraction form
    167,440.50/231,069.51 = 91,990.62/x
  3. Step 3: Cross multiply
    167,440.50x = 231,069.51 × 91,990.62
  4. Step 4: Simplify right side
    167,440.50x = 21,256,227,488.00
  5. Step 5: Solve for x
    x = 21,256,227,488.00/167,440.50
  6. Step 6: Final answer
    x = 126,947.95

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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.