Home / 213,925.26-320,883.57-73,680.78

Finding the Fourth Proportional to 213,925.26, 320,883.57 and 73,680.78

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Solution

The fourth proportional to 213,925.26, 320,883.57 and 73,680.78 is: 110,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,925.26 : 320,883.57 = 73,680.78 : x
  2. Step 2: Convert to fraction form
    213,925.26/320,883.57 = 73,680.78/x
  3. Step 3: Cross multiply
    213,925.26x = 320,883.57 × 73,680.78
  4. Step 4: Simplify right side
    213,925.26x = 23,642,951,726.78
  5. Step 5: Solve for x
    x = 23,642,951,726.78/213,925.26
  6. Step 6: Final answer
    x = 110,519.68

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1.5x scale

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.