Home / 193,739.12-267,362.40-117,257.24

Finding the Fourth Proportional to 193,739.12, 267,362.40 and 117,257.24

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Solution

The fourth proportional to 193,739.12, 267,362.40 and 117,257.24 is: 161,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,739.12 : 267,362.40 = 117,257.24 : x
  2. Step 2: Convert to fraction form
    193,739.12/267,362.40 = 117,257.24/x
  3. Step 3: Cross multiply
    193,739.12x = 267,362.40 × 117,257.24
  4. Step 4: Simplify right side
    193,739.12x = 31,350,177,103.78
  5. Step 5: Solve for x
    x = 31,350,177,103.78/193,739.12
  6. Step 6: Final answer
    x = 161,816.45

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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.