Home / 199,263.62-274,983.50-108,619.76

Finding the Fourth Proportional to 199,263.62, 274,983.50 and 108,619.76

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Solution

The fourth proportional to 199,263.62, 274,983.50 and 108,619.76 is: 149,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,263.62 : 274,983.50 = 108,619.76 : x
  2. Step 2: Convert to fraction form
    199,263.62/274,983.50 = 108,619.76/x
  3. Step 3: Cross multiply
    199,263.62x = 274,983.50 × 108,619.76
  4. Step 4: Simplify right side
    199,263.62x = 29,868,640,670.59
  5. Step 5: Solve for x
    x = 29,868,640,670.59/199,263.62
  6. Step 6: Final answer
    x = 149,895.11

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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.