Home / 330,136.38-455,588.20-179,233.38

Finding the Fourth Proportional to 330,136.38, 455,588.20 and 179,233.38

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Solution

The fourth proportional to 330,136.38, 455,588.20 and 179,233.38 is: 247,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,136.38 : 455,588.20 = 179,233.38 : x
  2. Step 2: Convert to fraction form
    330,136.38/455,588.20 = 179,233.38/x
  3. Step 3: Cross multiply
    330,136.38x = 455,588.20 × 179,233.38
  4. Step 4: Simplify right side
    330,136.38x = 81,656,612,974.12
  5. Step 5: Solve for x
    x = 81,656,612,974.12/330,136.38
  6. Step 6: Final answer
    x = 247,342.06

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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.