Home / 154,226.77-231,234.55-82,190.39

Finding the Fourth Proportional to 154,226.77, 231,234.55 and 82,190.39

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Solution

The fourth proportional to 154,226.77, 231,234.55 and 82,190.39 is: 123,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,226.77 : 231,234.55 = 82,190.39 : x
  2. Step 2: Convert to fraction form
    154,226.77/231,234.55 = 82,190.39/x
  3. Step 3: Cross multiply
    154,226.77x = 231,234.55 × 82,190.39
  4. Step 4: Simplify right side
    154,226.77x = 19,005,256,484.33
  5. Step 5: Solve for x
    x = 19,005,256,484.33/154,226.77
  6. Step 6: Final answer
    x = 123,229.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.