Home / 193,579.28-267,236.52-121,022.48

Finding the Fourth Proportional to 193,579.28, 267,236.52 and 121,022.48

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Solution

The fourth proportional to 193,579.28, 267,236.52 and 121,022.48 is: 167,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,579.28 : 267,236.52 = 121,022.48 : x
  2. Step 2: Convert to fraction form
    193,579.28/267,236.52 = 121,022.48/x
  3. Step 3: Cross multiply
    193,579.28x = 267,236.52 × 121,022.48
  4. Step 4: Simplify right side
    193,579.28x = 32,341,625,060.79
  5. Step 5: Solve for x
    x = 32,341,625,060.79/193,579.28
  6. Step 6: Final answer
    x = 167,071.73

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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.