Home / 208,583.04-312,688.96-75,433.70

Finding the Fourth Proportional to 208,583.04, 312,688.96 and 75,433.70

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Solution

The fourth proportional to 208,583.04, 312,688.96 and 75,433.70 is: 113,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,583.04 : 312,688.96 = 75,433.70 : x
  2. Step 2: Convert to fraction form
    208,583.04/312,688.96 = 75,433.70/x
  3. Step 3: Cross multiply
    208,583.04x = 312,688.96 × 75,433.70
  4. Step 4: Simplify right side
    208,583.04x = 23,587,285,201.95
  5. Step 5: Solve for x
    x = 23,587,285,201.95/208,583.04
  6. Step 6: Final answer
    x = 113,083.43

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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.