Home / 199,227.89-274,926.47-108,581.91

Finding the Fourth Proportional to 199,227.89, 274,926.47 and 108,581.91

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Solution

The fourth proportional to 199,227.89, 274,926.47 and 108,581.91 is: 149,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,227.89 : 274,926.47 = 108,581.91 : x
  2. Step 2: Convert to fraction form
    199,227.89/274,926.47 = 108,581.91/x
  3. Step 3: Cross multiply
    199,227.89x = 274,926.47 × 108,581.91
  4. Step 4: Simplify right side
    199,227.89x = 29,852,040,679.25
  5. Step 5: Solve for x
    x = 29,852,040,679.25/199,227.89
  6. Step 6: Final answer
    x = 149,838.67

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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.