Home / 206,746.28-284,933.90-161,400.68

Finding the Fourth Proportional to 206,746.28, 284,933.90 and 161,400.68

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Solution

The fourth proportional to 206,746.28, 284,933.90 and 161,400.68 is: 222,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,746.28 : 284,933.90 = 161,400.68 : x
  2. Step 2: Convert to fraction form
    206,746.28/284,933.90 = 161,400.68/x
  3. Step 3: Cross multiply
    206,746.28x = 284,933.90 × 161,400.68
  4. Step 4: Simplify right side
    206,746.28x = 45,988,525,215.05
  5. Step 5: Solve for x
    x = 45,988,525,215.05/206,746.28
  6. Step 6: Final answer
    x = 222,439.43

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1.5x scale

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.