Home / 193,586.40-267,105.60-108,697.86

Finding the Fourth Proportional to 193,586.40, 267,105.60 and 108,697.86

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Solution

The fourth proportional to 193,586.40, 267,105.60 and 108,697.86 is: 149,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,586.40 : 267,105.60 = 108,697.86 : x
  2. Step 2: Convert to fraction form
    193,586.40/267,105.60 = 108,697.86/x
  3. Step 3: Cross multiply
    193,586.40x = 267,105.60 × 108,697.86
  4. Step 4: Simplify right side
    193,586.40x = 29,033,807,114.02
  5. Step 5: Solve for x
    x = 29,033,807,114.02/193,586.40
  6. Step 6: Final answer
    x = 149,978.55

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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.