Home / 193,973.20-267,719.76-121,409.74

Finding the Fourth Proportional to 193,973.20, 267,719.76 and 121,409.74

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Solution

The fourth proportional to 193,973.20, 267,719.76 and 121,409.74 is: 167,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,973.20 : 267,719.76 = 121,409.74 : x
  2. Step 2: Convert to fraction form
    193,973.20/267,719.76 = 121,409.74/x
  3. Step 3: Cross multiply
    193,973.20x = 267,719.76 × 121,409.74
  4. Step 4: Simplify right side
    193,973.20x = 32,503,786,454.46
  5. Step 5: Solve for x
    x = 32,503,786,454.46/193,973.20
  6. Step 6: Final answer
    x = 167,568.44

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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.