Home / 167,317.38-230,895.36-91,865.88

Finding the Fourth Proportional to 167,317.38, 230,895.36 and 91,865.88

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Solution

The fourth proportional to 167,317.38, 230,895.36 and 91,865.88 is: 126,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,317.38 : 230,895.36 = 91,865.88 : x
  2. Step 2: Convert to fraction form
    167,317.38/230,895.36 = 91,865.88/x
  3. Step 3: Cross multiply
    167,317.38x = 230,895.36 × 91,865.88
  4. Step 4: Simplify right side
    167,317.38x = 21,211,405,434.32
  5. Step 5: Solve for x
    x = 21,211,405,434.32/167,317.38
  6. Step 6: Final answer
    x = 126,773.47

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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.