Home / 212,863.41-319,296.36-63,104.94

Finding the Fourth Proportional to 212,863.41, 319,296.36 and 63,104.94

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Solution

The fourth proportional to 212,863.41, 319,296.36 and 63,104.94 is: 94,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,863.41 : 319,296.36 = 63,104.94 : x
  2. Step 2: Convert to fraction form
    212,863.41/319,296.36 = 63,104.94/x
  3. Step 3: Cross multiply
    212,863.41x = 319,296.36 × 63,104.94
  4. Step 4: Simplify right side
    212,863.41x = 20,149,177,640.02
  5. Step 5: Solve for x
    x = 20,149,177,640.02/212,863.41
  6. Step 6: Final answer
    x = 94,657.78

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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.