Home / 199,177.72-274,865.28-108,533.70

Finding the Fourth Proportional to 199,177.72, 274,865.28 and 108,533.70

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Solution

The fourth proportional to 199,177.72, 274,865.28 and 108,533.70 is: 149,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,177.72 : 274,865.28 = 108,533.70 : x
  2. Step 2: Convert to fraction form
    199,177.72/274,865.28 = 108,533.70/x
  3. Step 3: Cross multiply
    199,177.72x = 274,865.28 × 108,533.70
  4. Step 4: Simplify right side
    199,177.72x = 29,832,145,839.94
  5. Step 5: Solve for x
    x = 29,832,145,839.94/199,177.72
  6. Step 6: Final answer
    x = 149,776.52

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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.