Home / 167,515.31-231,173.38-91,035.92

Finding the Fourth Proportional to 167,515.31, 231,173.38 and 91,035.92

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Solution

The fourth proportional to 167,515.31, 231,173.38 and 91,035.92 is: 125,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,515.31 : 231,173.38 = 91,035.92 : x
  2. Step 2: Convert to fraction form
    167,515.31/231,173.38 = 91,035.92/x
  3. Step 3: Cross multiply
    167,515.31x = 231,173.38 × 91,035.92
  4. Step 4: Simplify right side
    167,515.31x = 21,045,081,327.81
  5. Step 5: Solve for x
    x = 21,045,081,327.81/167,515.31
  6. Step 6: Final answer
    x = 125,630.79

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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.