Home / 233,899.28-322,786.89-143,305.20

Finding the Fourth Proportional to 233,899.28, 322,786.89 and 143,305.20

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Solution

The fourth proportional to 233,899.28, 322,786.89 and 143,305.20 is: 197,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,899.28 : 322,786.89 = 143,305.20 : x
  2. Step 2: Convert to fraction form
    233,899.28/322,786.89 = 143,305.20/x
  3. Step 3: Cross multiply
    233,899.28x = 322,786.89 × 143,305.20
  4. Step 4: Simplify right side
    233,899.28x = 46,257,039,828.83
  5. Step 5: Solve for x
    x = 46,257,039,828.83/233,899.28
  6. Step 6: Final answer
    x = 197,764.78

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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.