Home / 199,145.72-274,819.57-108,501.41

Finding the Fourth Proportional to 199,145.72, 274,819.57 and 108,501.41

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Solution

The fourth proportional to 199,145.72, 274,819.57 and 108,501.41 is: 149,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,145.72 : 274,819.57 = 108,501.41 : x
  2. Step 2: Convert to fraction form
    199,145.72/274,819.57 = 108,501.41/x
  3. Step 3: Cross multiply
    199,145.72x = 274,819.57 × 108,501.41
  4. Step 4: Simplify right side
    199,145.72x = 29,818,310,840.59
  5. Step 5: Solve for x
    x = 29,818,310,840.59/199,145.72
  6. Step 6: Final answer
    x = 149,731.12

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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.