Home / 330,134.38-455,585.44-179,231.38

Finding the Fourth Proportional to 330,134.38, 455,585.44 and 179,231.38

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Solution

The fourth proportional to 330,134.38, 455,585.44 and 179,231.38 is: 247,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,134.38 : 455,585.44 = 179,231.38 : x
  2. Step 2: Convert to fraction form
    330,134.38/455,585.44 = 179,231.38/x
  3. Step 3: Cross multiply
    330,134.38x = 455,585.44 × 179,231.38
  4. Step 4: Simplify right side
    330,134.38x = 81,655,207,119.11
  5. Step 5: Solve for x
    x = 81,655,207,119.11/330,134.38
  6. Step 6: Final answer
    x = 247,339.30

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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.