Home / 330,198.57-455,687.09-185,005.61

Finding the Fourth Proportional to 330,198.57, 455,687.09 and 185,005.61

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Solution

The fourth proportional to 330,198.57, 455,687.09 and 185,005.61 is: 255,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,198.57 : 455,687.09 = 185,005.61 : x
  2. Step 2: Convert to fraction form
    330,198.57/455,687.09 = 185,005.61/x
  3. Step 3: Cross multiply
    330,198.57x = 455,687.09 × 185,005.61
  4. Step 4: Simplify right side
    330,198.57x = 84,304,667,253.71
  5. Step 5: Solve for x
    x = 84,304,667,253.71/330,198.57
  6. Step 6: Final answer
    x = 255,315.06

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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.