Home / 193,543.76-267,083.53-108,664.40

Finding the Fourth Proportional to 193,543.76, 267,083.53 and 108,664.40

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Solution

The fourth proportional to 193,543.76, 267,083.53 and 108,664.40 is: 149,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543.76 : 267,083.53 = 108,664.40 : x
  2. Step 2: Convert to fraction form
    193,543.76/267,083.53 = 108,664.40/x
  3. Step 3: Cross multiply
    193,543.76x = 267,083.53 × 108,664.40
  4. Step 4: Simplify right side
    193,543.76x = 29,022,469,930.25
  5. Step 5: Solve for x
    x = 29,022,469,930.25/193,543.76
  6. Step 6: Final answer
    x = 149,953.02

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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.