Home / 167,691.81-231,405.08-92,240.31

Finding the Fourth Proportional to 167,691.81, 231,405.08 and 92,240.31

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Solution

The fourth proportional to 167,691.81, 231,405.08 and 92,240.31 is: 127,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,691.81 : 231,405.08 = 92,240.31 : x
  2. Step 2: Convert to fraction form
    167,691.81/231,405.08 = 92,240.31/x
  3. Step 3: Cross multiply
    167,691.81x = 231,405.08 × 92,240.31
  4. Step 4: Simplify right side
    167,691.81x = 21,344,875,853.57
  5. Step 5: Solve for x
    x = 21,344,875,853.57/167,691.81
  6. Step 6: Final answer
    x = 127,286.33

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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.