Home / 203,227.56-280,453.83-112,589.18

Finding the Fourth Proportional to 203,227.56, 280,453.83 and 112,589.18

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Solution

The fourth proportional to 203,227.56, 280,453.83 and 112,589.18 is: 155,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,227.56 : 280,453.83 = 112,589.18 : x
  2. Step 2: Convert to fraction form
    203,227.56/280,453.83 = 112,589.18/x
  3. Step 3: Cross multiply
    203,227.56x = 280,453.83 × 112,589.18
  4. Step 4: Simplify right side
    203,227.56x = 31,576,065,345.29
  5. Step 5: Solve for x
    x = 31,576,065,345.29/203,227.56
  6. Step 6: Final answer
    x = 155,372.95

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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.