Home / 199,145.41-274,819.13-108,501.09

Finding the Fourth Proportional to 199,145.41, 274,819.13 and 108,501.09

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Solution

The fourth proportional to 199,145.41, 274,819.13 and 108,501.09 is: 149,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,145.41 : 274,819.13 = 108,501.09 : x
  2. Step 2: Convert to fraction form
    199,145.41/274,819.13 = 108,501.09/x
  3. Step 3: Cross multiply
    199,145.41x = 274,819.13 × 108,501.09
  4. Step 4: Simplify right side
    199,145.41x = 29,818,175,157.85
  5. Step 5: Solve for x
    x = 29,818,175,157.85/199,145.41
  6. Step 6: Final answer
    x = 149,730.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.