Home / 143,956.20-215,934.30-94,092.60

Finding the Fourth Proportional to 143,956.20, 215,934.30 and 94,092.60

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Solution

The fourth proportional to 143,956.20, 215,934.30 and 94,092.60 is: 141,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,956.20 : 215,934.30 = 94,092.60 : x
  2. Step 2: Convert to fraction form
    143,956.20/215,934.30 = 94,092.60/x
  3. Step 3: Cross multiply
    143,956.20x = 215,934.30 × 94,092.60
  4. Step 4: Simplify right side
    143,956.20x = 20,317,819,716.18
  5. Step 5: Solve for x
    x = 20,317,819,716.18/143,956.20
  6. Step 6: Final answer
    x = 141,138.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.