Home / 199,013.05-274,634.06-108,370.09

Finding the Fourth Proportional to 199,013.05, 274,634.06 and 108,370.09

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Solution

The fourth proportional to 199,013.05, 274,634.06 and 108,370.09 is: 149,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,013.05 : 274,634.06 = 108,370.09 : x
  2. Step 2: Convert to fraction form
    199,013.05/274,634.06 = 108,370.09/x
  3. Step 3: Cross multiply
    199,013.05x = 274,634.06 × 108,370.09
  4. Step 4: Simplify right side
    199,013.05x = 29,762,117,799.27
  5. Step 5: Solve for x
    x = 29,762,117,799.27/199,013.05
  6. Step 6: Final answer
    x = 149,548.57

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1.5x scale

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.