Home / 167,438.26-231,064.53-91,986.82

Finding the Fourth Proportional to 167,438.26, 231,064.53 and 91,986.82

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Solution

The fourth proportional to 167,438.26, 231,064.53 and 91,986.82 is: 126,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,438.26 : 231,064.53 = 91,986.82 : x
  2. Step 2: Convert to fraction form
    167,438.26/231,064.53 = 91,986.82/x
  3. Step 3: Cross multiply
    167,438.26x = 231,064.53 × 91,986.82
  4. Step 4: Simplify right side
    167,438.26x = 21,254,891,329.49
  5. Step 5: Solve for x
    x = 21,254,891,329.49/167,438.26
  6. Step 6: Final answer
    x = 126,941.66

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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.