Home / 167,163.06-230,689.08-91,711.56

Finding the Fourth Proportional to 167,163.06, 230,689.08 and 91,711.56

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Solution

The fourth proportional to 167,163.06, 230,689.08 and 91,711.56 is: 126,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,163.06 : 230,689.08 = 91,711.56 : x
  2. Step 2: Convert to fraction form
    167,163.06/230,689.08 = 91,711.56/x
  3. Step 3: Cross multiply
    167,163.06x = 230,689.08 × 91,711.56
  4. Step 4: Simplify right side
    167,163.06x = 21,156,855,401.76
  5. Step 5: Solve for x
    x = 21,156,855,401.76/167,163.06
  6. Step 6: Final answer
    x = 126,564.18

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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.