Home / 199,158.06-274,834.64-108,514.77

Finding the Fourth Proportional to 199,158.06, 274,834.64 and 108,514.77

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Solution

The fourth proportional to 199,158.06, 274,834.64 and 108,514.77 is: 149,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,158.06 : 274,834.64 = 108,514.77 : x
  2. Step 2: Convert to fraction form
    199,158.06/274,834.64 = 108,514.77/x
  3. Step 3: Cross multiply
    199,158.06x = 274,834.64 × 108,514.77
  4. Step 4: Simplify right side
    199,158.06x = 29,823,618,018.92
  5. Step 5: Solve for x
    x = 29,823,618,018.92/199,158.06
  6. Step 6: Final answer
    x = 149,748.49

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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.