Home / 166,837.68-230,238.99-91,381.32

Finding the Fourth Proportional to 166,837.68, 230,238.99 and 91,381.32

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Solution

The fourth proportional to 166,837.68, 230,238.99 and 91,381.32 is: 126,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,837.68 : 230,238.99 = 91,381.32 : x
  2. Step 2: Convert to fraction form
    166,837.68/230,238.99 = 91,381.32/x
  3. Step 3: Cross multiply
    166,837.68x = 230,238.99 × 91,381.32
  4. Step 4: Simplify right side
    166,837.68x = 21,039,542,821.67
  5. Step 5: Solve for x
    x = 21,039,542,821.67/166,837.68
  6. Step 6: Final answer
    x = 126,107.86

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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.