Home / 208,945.44-313,416-51,174.72

Finding the Fourth Proportional to 208,945.44, 313,416 and 51,174.72

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Solution

The fourth proportional to 208,945.44, 313,416 and 51,174.72 is: 76,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,945.44 : 313,416 = 51,174.72 : x
  2. Step 2: Convert to fraction form
    208,945.44/313,416 = 51,174.72/x
  3. Step 3: Cross multiply
    208,945.44x = 313,416 × 51,174.72
  4. Step 4: Simplify right side
    208,945.44x = 16,038,976,043.52
  5. Step 5: Solve for x
    x = 16,038,976,043.52/208,945.44
  6. Step 6: Final answer
    x = 76,761.55

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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.