Home / 208,389.17-312,583.75-50,616.56

Finding the Fourth Proportional to 208,389.17, 312,583.75 and 50,616.56

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Solution

The fourth proportional to 208,389.17, 312,583.75 and 50,616.56 is: 75,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,389.17 : 312,583.75 = 50,616.56 : x
  2. Step 2: Convert to fraction form
    208,389.17/312,583.75 = 50,616.56/x
  3. Step 3: Cross multiply
    208,389.17x = 312,583.75 × 50,616.56
  4. Step 4: Simplify right side
    208,389.17x = 15,821,912,573.98
  5. Step 5: Solve for x
    x = 15,821,912,573.98/208,389.17
  6. Step 6: Final answer
    x = 75,924.83

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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.