Home / 208,977.77-313,466.66-51,204.86

Finding the Fourth Proportional to 208,977.77, 313,466.66 and 51,204.86

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Solution

The fourth proportional to 208,977.77, 313,466.66 and 51,204.86 is: 76,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,977.77 : 313,466.66 = 51,204.86 : x
  2. Step 2: Convert to fraction form
    208,977.77/313,466.66 = 51,204.86/x
  3. Step 3: Cross multiply
    208,977.77x = 313,466.66 × 51,204.86
  4. Step 4: Simplify right side
    208,977.77x = 16,051,016,439.97
  5. Step 5: Solve for x
    x = 16,051,016,439.97/208,977.77
  6. Step 6: Final answer
    x = 76,807.29

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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.