Home / 276,199.08-381,097.56-161,455.56

Finding the Fourth Proportional to 276,199.08, 381,097.56 and 161,455.56

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Solution

The fourth proportional to 276,199.08, 381,097.56 and 161,455.56 is: 222,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,199.08 : 381,097.56 = 161,455.56 : x
  2. Step 2: Convert to fraction form
    276,199.08/381,097.56 = 161,455.56/x
  3. Step 3: Cross multiply
    276,199.08x = 381,097.56 × 161,455.56
  4. Step 4: Simplify right side
    276,199.08x = 61,530,319,964.43
  5. Step 5: Solve for x
    x = 61,530,319,964.43/276,199.08
  6. Step 6: Final answer
    x = 222,775.25

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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.