Home / 199,174.71-274,861.14-108,530.69

Finding the Fourth Proportional to 199,174.71, 274,861.14 and 108,530.69

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Solution

The fourth proportional to 199,174.71, 274,861.14 and 108,530.69 is: 149,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,174.71 : 274,861.14 = 108,530.69 : x
  2. Step 2: Convert to fraction form
    199,174.71/274,861.14 = 108,530.69/x
  3. Step 3: Cross multiply
    199,174.71x = 274,861.14 × 108,530.69
  4. Step 4: Simplify right side
    199,174.71x = 29,830,869,178.39
  5. Step 5: Solve for x
    x = 29,830,869,178.39/199,174.71
  6. Step 6: Final answer
    x = 149,772.37

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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.