Home / 199,156.80-274,832.92-108,513.52

Finding the Fourth Proportional to 199,156.80, 274,832.92 and 108,513.52

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Solution

The fourth proportional to 199,156.80, 274,832.92 and 108,513.52 is: 149,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,156.80 : 274,832.92 = 108,513.52 : x
  2. Step 2: Convert to fraction form
    199,156.80/274,832.92 = 108,513.52/x
  3. Step 3: Cross multiply
    199,156.80x = 274,832.92 × 108,513.52
  4. Step 4: Simplify right side
    199,156.80x = 29,823,087,561.08
  5. Step 5: Solve for x
    x = 29,823,087,561.08/199,156.80
  6. Step 6: Final answer
    x = 149,746.77

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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.