Home / 199,178.32-274,862.54-108,534.92

Finding the Fourth Proportional to 199,178.32, 274,862.54 and 108,534.92

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Solution

The fourth proportional to 199,178.32, 274,862.54 and 108,534.92 is: 149,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,178.32 : 274,862.54 = 108,534.92 : x
  2. Step 2: Convert to fraction form
    199,178.32/274,862.54 = 108,534.92/x
  3. Step 3: Cross multiply
    199,178.32x = 274,862.54 × 108,534.92
  4. Step 4: Simplify right side
    199,178.32x = 29,832,183,789.90
  5. Step 5: Solve for x
    x = 29,832,183,789.90/199,178.32
  6. Step 6: Final answer
    x = 149,776.26

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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.