Home / 134,734.20-185,969.04-79,591.82

Finding the Fourth Proportional to 134,734.20, 185,969.04 and 79,591.82

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Solution

The fourth proportional to 134,734.20, 185,969.04 and 79,591.82 is: 109,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.20 : 185,969.04 = 79,591.82 : x
  2. Step 2: Convert to fraction form
    134,734.20/185,969.04 = 79,591.82/x
  3. Step 3: Cross multiply
    134,734.20x = 185,969.04 × 79,591.82
  4. Step 4: Simplify right side
    134,734.20x = 14,801,614,357.25
  5. Step 5: Solve for x
    x = 14,801,614,357.25/134,734.20
  6. Step 6: Final answer
    x = 109,857.89

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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.