Home / 193,709.20-267,317.80-107,667.76

Finding the Fourth Proportional to 193,709.20, 267,317.80 and 107,667.76

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Solution

The fourth proportional to 193,709.20, 267,317.80 and 107,667.76 is: 148,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,709.20 : 267,317.80 = 107,667.76 : x
  2. Step 2: Convert to fraction form
    193,709.20/267,317.80 = 107,667.76/x
  3. Step 3: Cross multiply
    193,709.20x = 267,317.80 × 107,667.76
  4. Step 4: Simplify right side
    193,709.20x = 28,781,508,734.13
  5. Step 5: Solve for x
    x = 28,781,508,734.13/193,709.20
  6. Step 6: Final answer
    x = 148,581.01

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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.