Home / 193,993.92-267,710.40-109,111.86

Finding the Fourth Proportional to 193,993.92, 267,710.40 and 109,111.86

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Solution

The fourth proportional to 193,993.92, 267,710.40 and 109,111.86 is: 150,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,993.92 : 267,710.40 = 109,111.86 : x
  2. Step 2: Convert to fraction form
    193,993.92/267,710.40 = 109,111.86/x
  3. Step 3: Cross multiply
    193,993.92x = 267,710.40 × 109,111.86
  4. Step 4: Simplify right side
    193,993.92x = 29,210,379,685.34
  5. Step 5: Solve for x
    x = 29,210,379,685.34/193,993.92
  6. Step 6: Final answer
    x = 150,573.69

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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.