Home / 445,028.26-667,533.16-108,070.67

Finding the Fourth Proportional to 445,028.26, 667,533.16 and 108,070.67

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Solution

The fourth proportional to 445,028.26, 667,533.16 and 108,070.67 is: 162,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,028.26 : 667,533.16 = 108,070.67 : x
  2. Step 2: Convert to fraction form
    445,028.26/667,533.16 = 108,070.67/x
  3. Step 3: Cross multiply
    445,028.26x = 667,533.16 × 108,070.67
  4. Step 4: Simplify right side
    445,028.26x = 72,140,757,120.43
  5. Step 5: Solve for x
    x = 72,140,757,120.43/445,028.26
  6. Step 6: Final answer
    x = 162,103.77

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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.