Home / 297,288.27-410,255.73-161,318.76

Finding the Fourth Proportional to 297,288.27, 410,255.73 and 161,318.76

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Solution

The fourth proportional to 297,288.27, 410,255.73 and 161,318.76 is: 222,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,288.27 : 410,255.73 = 161,318.76 : x
  2. Step 2: Convert to fraction form
    297,288.27/410,255.73 = 161,318.76/x
  3. Step 3: Cross multiply
    297,288.27x = 410,255.73 × 161,318.76
  4. Step 4: Simplify right side
    297,288.27x = 66,181,945,646.49
  5. Step 5: Solve for x
    x = 66,181,945,646.49/297,288.27
  6. Step 6: Final answer
    x = 222,618.76

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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.