Home / 250,819.55-376,228.30-90,858.06

Finding the Fourth Proportional to 250,819.55, 376,228.30 and 90,858.06

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Solution

The fourth proportional to 250,819.55, 376,228.30 and 90,858.06 is: 136,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,819.55 : 376,228.30 = 90,858.06 : x
  2. Step 2: Convert to fraction form
    250,819.55/376,228.30 = 90,858.06/x
  3. Step 3: Cross multiply
    250,819.55x = 376,228.30 × 90,858.06
  4. Step 4: Simplify right side
    250,819.55x = 34,183,373,455.10
  5. Step 5: Solve for x
    x = 34,183,373,455.10/250,819.55
  6. Step 6: Final answer
    x = 136,286.72

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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.