Home / 167,357.72-230,942.67-99,371.18

Finding the Fourth Proportional to 167,357.72, 230,942.67 and 99,371.18

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Solution

The fourth proportional to 167,357.72, 230,942.67 and 99,371.18 is: 137,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,357.72 : 230,942.67 = 99,371.18 : x
  2. Step 2: Convert to fraction form
    167,357.72/230,942.67 = 99,371.18/x
  3. Step 3: Cross multiply
    167,357.72x = 230,942.67 × 99,371.18
  4. Step 4: Simplify right side
    167,357.72x = 22,949,045,630.25
  5. Step 5: Solve for x
    x = 22,949,045,630.25/167,357.72
  6. Step 6: Final answer
    x = 137,125.71

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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.