Home / 208,845.34-313,268.01-51,071.92

Finding the Fourth Proportional to 208,845.34, 313,268.01 and 51,071.92

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Solution

The fourth proportional to 208,845.34, 313,268.01 and 51,071.92 is: 76,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.34 : 313,268.01 = 51,071.92 : x
  2. Step 2: Convert to fraction form
    208,845.34/313,268.01 = 51,071.92/x
  3. Step 3: Cross multiply
    208,845.34x = 313,268.01 × 51,071.92
  4. Step 4: Simplify right side
    208,845.34x = 15,999,198,745.28
  5. Step 5: Solve for x
    x = 15,999,198,745.28/208,845.34
  6. Step 6: Final answer
    x = 76,607.88

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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.