Home / 208,927.88-313,516.35-75,818.52

Finding the Fourth Proportional to 208,927.88, 313,516.35 and 75,818.52

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Solution

The fourth proportional to 208,927.88, 313,516.35 and 75,818.52 is: 113,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,927.88 : 313,516.35 = 75,818.52 : x
  2. Step 2: Convert to fraction form
    208,927.88/313,516.35 = 75,818.52/x
  3. Step 3: Cross multiply
    208,927.88x = 313,516.35 × 75,818.52
  4. Step 4: Simplify right side
    208,927.88x = 23,770,345,652.80
  5. Step 5: Solve for x
    x = 23,770,345,652.80/208,927.88
  6. Step 6: Final answer
    x = 113,772.97

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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.