Home / 327,181.41-490,271.54-220,169.07

Finding the Fourth Proportional to 327,181.41, 490,271.54 and 220,169.07

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Solution

The fourth proportional to 327,181.41, 490,271.54 and 220,169.07 is: 329,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,181.41 : 490,271.54 = 220,169.07 : x
  2. Step 2: Convert to fraction form
    327,181.41/490,271.54 = 220,169.07/x
  3. Step 3: Cross multiply
    327,181.41x = 490,271.54 × 220,169.07
  4. Step 4: Simplify right side
    327,181.41x = 107,942,627,908.42
  5. Step 5: Solve for x
    x = 107,942,627,908.42/327,181.41
  6. Step 6: Final answer
    x = 329,916.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.