Home / 226,406.56-312,439.44-123,039.96

Finding the Fourth Proportional to 226,406.56, 312,439.44 and 123,039.96

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Solution

The fourth proportional to 226,406.56, 312,439.44 and 123,039.96 is: 169,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,406.56 : 312,439.44 = 123,039.96 : x
  2. Step 2: Convert to fraction form
    226,406.56/312,439.44 = 123,039.96/x
  3. Step 3: Cross multiply
    226,406.56x = 312,439.44 × 123,039.96
  4. Step 4: Simplify right side
    226,406.56x = 38,442,536,200.02
  5. Step 5: Solve for x
    x = 38,442,536,200.02/226,406.56
  6. Step 6: Final answer
    x = 169,794.27

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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.