Home / 167,583.97-231,267.38-91,103.21

Finding the Fourth Proportional to 167,583.97, 231,267.38 and 91,103.21

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Solution

The fourth proportional to 167,583.97, 231,267.38 and 91,103.21 is: 125,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,583.97 : 231,267.38 = 91,103.21 : x
  2. Step 2: Convert to fraction form
    167,583.97/231,267.38 = 91,103.21/x
  3. Step 3: Cross multiply
    167,583.97x = 231,267.38 × 91,103.21
  4. Step 4: Simplify right side
    167,583.97x = 21,069,200,686.29
  5. Step 5: Solve for x
    x = 21,069,200,686.29/167,583.97
  6. Step 6: Final answer
    x = 125,723.25

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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.