Home / 208,927.38-313,515.59-75,818.02

Finding the Fourth Proportional to 208,927.38, 313,515.59 and 75,818.02

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Solution

The fourth proportional to 208,927.38, 313,515.59 and 75,818.02 is: 113,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,927.38 : 313,515.59 = 75,818.02 : x
  2. Step 2: Convert to fraction form
    208,927.38/313,515.59 = 75,818.02/x
  3. Step 3: Cross multiply
    208,927.38x = 313,515.59 × 75,818.02
  4. Step 4: Simplify right side
    208,927.38x = 23,770,131,272.93
  5. Step 5: Solve for x
    x = 23,770,131,272.93/208,927.38
  6. Step 6: Final answer
    x = 113,772.22

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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.