Home / 206,083.31-284,247.41-189,142.16

Finding the Fourth Proportional to 206,083.31, 284,247.41 and 189,142.16

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Solution

The fourth proportional to 206,083.31, 284,247.41 and 189,142.16 is: 260,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,083.31 : 284,247.41 = 189,142.16 : x
  2. Step 2: Convert to fraction form
    206,083.31/284,247.41 = 189,142.16/x
  3. Step 3: Cross multiply
    206,083.31x = 284,247.41 × 189,142.16
  4. Step 4: Simplify right side
    206,083.31x = 53,763,166,734.86
  5. Step 5: Solve for x
    x = 53,763,166,734.86/206,083.31
  6. Step 6: Final answer
    x = 260,880.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.