Home / 294,111.12-405,873.30-166,786.73

Finding the Fourth Proportional to 294,111.12, 405,873.30 and 166,786.73

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Solution

The fourth proportional to 294,111.12, 405,873.30 and 166,786.73 is: 230,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,111.12 : 405,873.30 = 166,786.73 : x
  2. Step 2: Convert to fraction form
    294,111.12/405,873.30 = 166,786.73/x
  3. Step 3: Cross multiply
    294,111.12x = 405,873.30 × 166,786.73
  4. Step 4: Simplify right side
    294,111.12x = 67,694,278,471.94
  5. Step 5: Solve for x
    x = 67,694,278,471.94/294,111.12
  6. Step 6: Final answer
    x = 230,165.65

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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.