Home / 184,591.20-276,668.10-137,789.40

Finding the Fourth Proportional to 184,591.20, 276,668.10 and 137,789.40

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Solution

The fourth proportional to 184,591.20, 276,668.10 and 137,789.40 is: 206,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,591.20 : 276,668.10 = 137,789.40 : x
  2. Step 2: Convert to fraction form
    184,591.20/276,668.10 = 137,789.40/x
  3. Step 3: Cross multiply
    184,591.20x = 276,668.10 × 137,789.40
  4. Step 4: Simplify right side
    184,591.20x = 38,121,931,498.14
  5. Step 5: Solve for x
    x = 38,121,931,498.14/184,591.20
  6. Step 6: Final answer
    x = 206,520.85

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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.