Home / 193,211.28-266,581.08-111,519.54

Finding the Fourth Proportional to 193,211.28, 266,581.08 and 111,519.54

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Solution

The fourth proportional to 193,211.28, 266,581.08 and 111,519.54 is: 153,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,211.28 : 266,581.08 = 111,519.54 : x
  2. Step 2: Convert to fraction form
    193,211.28/266,581.08 = 111,519.54/x
  3. Step 3: Cross multiply
    193,211.28x = 266,581.08 × 111,519.54
  4. Step 4: Simplify right side
    193,211.28x = 29,728,999,414.30
  5. Step 5: Solve for x
    x = 29,728,999,414.30/193,211.28
  6. Step 6: Final answer
    x = 153,867.82

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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.