Home / 199,143.11-274,919.05-134,951.47

Finding the Fourth Proportional to 199,143.11, 274,919.05 and 134,951.47

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Solution

The fourth proportional to 199,143.11, 274,919.05 and 134,951.47 is: 186,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,143.11 : 274,919.05 = 134,951.47 : x
  2. Step 2: Convert to fraction form
    199,143.11/274,919.05 = 134,951.47/x
  3. Step 3: Cross multiply
    199,143.11x = 274,919.05 × 134,951.47
  4. Step 4: Simplify right side
    199,143.11x = 37,100,728,891.29
  5. Step 5: Solve for x
    x = 37,100,728,891.29/199,143.11
  6. Step 6: Final answer
    x = 186,301.85

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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.