Home / 290,096.11-400,326.24-161,026.96

Finding the Fourth Proportional to 290,096.11, 400,326.24 and 161,026.96

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Solution

The fourth proportional to 290,096.11, 400,326.24 and 161,026.96 is: 222,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,096.11 : 400,326.24 = 161,026.96 : x
  2. Step 2: Convert to fraction form
    290,096.11/400,326.24 = 161,026.96/x
  3. Step 3: Cross multiply
    290,096.11x = 400,326.24 × 161,026.96
  4. Step 4: Simplify right side
    290,096.11x = 64,463,317,435.43
  5. Step 5: Solve for x
    x = 64,463,317,435.43/290,096.11
  6. Step 6: Final answer
    x = 222,213.66

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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.