Home / 199,215.11-274,908.83-108,569.12

Finding the Fourth Proportional to 199,215.11, 274,908.83 and 108,569.12

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Solution

The fourth proportional to 199,215.11, 274,908.83 and 108,569.12 is: 149,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,215.11 : 274,908.83 = 108,569.12 : x
  2. Step 2: Convert to fraction form
    199,215.11/274,908.83 = 108,569.12/x
  3. Step 3: Cross multiply
    199,215.11x = 274,908.83 × 108,569.12
  4. Step 4: Simplify right side
    199,215.11x = 29,846,609,897.76
  5. Step 5: Solve for x
    x = 29,846,609,897.76/199,215.11
  6. Step 6: Final answer
    x = 149,821.01

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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.