Home / 193,405.92-266,986.80-117,984.48

Finding the Fourth Proportional to 193,405.92, 266,986.80 and 117,984.48

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Solution

The fourth proportional to 193,405.92, 266,986.80 and 117,984.48 is: 162,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,405.92 : 266,986.80 = 117,984.48 : x
  2. Step 2: Convert to fraction form
    193,405.92/266,986.80 = 117,984.48/x
  3. Step 3: Cross multiply
    193,405.92x = 266,986.80 × 117,984.48
  4. Step 4: Simplify right side
    193,405.92x = 31,500,298,764.86
  5. Step 5: Solve for x
    x = 31,500,298,764.86/193,405.92
  6. Step 6: Final answer
    x = 162,871.43

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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.