Home / 255,826.44-383,819.58-87,350.76

Finding the Fourth Proportional to 255,826.44, 383,819.58 and 87,350.76

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Solution

The fourth proportional to 255,826.44, 383,819.58 and 87,350.76 is: 131,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,826.44 : 383,819.58 = 87,350.76 : x
  2. Step 2: Convert to fraction form
    255,826.44/383,819.58 = 87,350.76/x
  3. Step 3: Cross multiply
    255,826.44x = 383,819.58 × 87,350.76
  4. Step 4: Simplify right side
    255,826.44x = 33,526,932,015.88
  5. Step 5: Solve for x
    x = 33,526,932,015.88/255,826.44
  6. Step 6: Final answer
    x = 131,053.43

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1.5x scale

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.