Home / 193,238.61-266,618.79-111,546.87

Finding the Fourth Proportional to 193,238.61, 266,618.79 and 111,546.87

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Solution

The fourth proportional to 193,238.61, 266,618.79 and 111,546.87 is: 153,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,238.61 : 266,618.79 = 111,546.87 : x
  2. Step 2: Convert to fraction form
    193,238.61/266,618.79 = 111,546.87/x
  3. Step 3: Cross multiply
    193,238.61x = 266,618.79 × 111,546.87
  4. Step 4: Simplify right side
    193,238.61x = 29,740,491,507.69
  5. Step 5: Solve for x
    x = 29,740,491,507.69/193,238.61
  6. Step 6: Final answer
    x = 153,905.53

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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.