Home / 193,227.88-266,604-111,536.12

Finding the Fourth Proportional to 193,227.88, 266,604 and 111,536.12

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Solution

The fourth proportional to 193,227.88, 266,604 and 111,536.12 is: 153,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.88 : 266,604 = 111,536.12 : x
  2. Step 2: Convert to fraction form
    193,227.88/266,604 = 111,536.12/x
  3. Step 3: Cross multiply
    193,227.88x = 266,604 × 111,536.12
  4. Step 4: Simplify right side
    193,227.88x = 29,735,975,736.48
  5. Step 5: Solve for x
    x = 29,735,975,736.48/193,227.88
  6. Step 6: Final answer
    x = 153,890.71

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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.