Home / 213,103.28-319,718.52-63,348.56

Finding the Fourth Proportional to 213,103.28, 319,718.52 and 63,348.56

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Solution

The fourth proportional to 213,103.28, 319,718.52 and 63,348.56 is: 95,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,103.28 : 319,718.52 = 63,348.56 : x
  2. Step 2: Convert to fraction form
    213,103.28/319,718.52 = 63,348.56/x
  3. Step 3: Cross multiply
    213,103.28x = 319,718.52 × 63,348.56
  4. Step 4: Simplify right side
    213,103.28x = 20,253,707,847.33
  5. Step 5: Solve for x
    x = 20,253,707,847.33/213,103.28
  6. Step 6: Final answer
    x = 95,041.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.