Home / 136,819.90-205,250.37-48,057.76

Finding the Fourth Proportional to 136,819.90, 205,250.37 and 48,057.76

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Solution

The fourth proportional to 136,819.90, 205,250.37 and 48,057.76 is: 72,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,819.90 : 205,250.37 = 48,057.76 : x
  2. Step 2: Convert to fraction form
    136,819.90/205,250.37 = 48,057.76/x
  3. Step 3: Cross multiply
    136,819.90x = 205,250.37 × 48,057.76
  4. Step 4: Simplify right side
    136,819.90x = 9,863,873,021.37
  5. Step 5: Solve for x
    x = 9,863,873,021.37/136,819.90
  6. Step 6: Final answer
    x = 72,093.85

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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.