Home / 167,534.26-231,230.91-99,538.15

Finding the Fourth Proportional to 167,534.26, 231,230.91 and 99,538.15

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Solution

The fourth proportional to 167,534.26, 231,230.91 and 99,538.15 is: 137,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,534.26 : 231,230.91 = 99,538.15 : x
  2. Step 2: Convert to fraction form
    167,534.26/231,230.91 = 99,538.15/x
  3. Step 3: Cross multiply
    167,534.26x = 231,230.91 × 99,538.15
  4. Step 4: Simplify right side
    167,534.26x = 23,016,296,673.06
  5. Step 5: Solve for x
    x = 23,016,296,673.06/167,534.26
  6. Step 6: Final answer
    x = 137,382.62

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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.