Home / 381,183.08-526,028.94-209,092.92

Finding the Fourth Proportional to 381,183.08, 526,028.94 and 209,092.92

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Solution

The fourth proportional to 381,183.08, 526,028.94 and 209,092.92 is: 288,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,183.08 : 526,028.94 = 209,092.92 : x
  2. Step 2: Convert to fraction form
    381,183.08/526,028.94 = 209,092.92/x
  3. Step 3: Cross multiply
    381,183.08x = 526,028.94 × 209,092.92
  4. Step 4: Simplify right side
    381,183.08x = 109,988,927,384.56
  5. Step 5: Solve for x
    x = 109,988,927,384.56/381,183.08
  6. Step 6: Final answer
    x = 288,546.20

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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.