Home / 159,231.48-219,837.62-109,589.32

Finding the Fourth Proportional to 159,231.48, 219,837.62 and 109,589.32

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Solution

The fourth proportional to 159,231.48, 219,837.62 and 109,589.32 is: 151,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,231.48 : 219,837.62 = 109,589.32 : x
  2. Step 2: Convert to fraction form
    159,231.48/219,837.62 = 109,589.32/x
  3. Step 3: Cross multiply
    159,231.48x = 219,837.62 × 109,589.32
  4. Step 4: Simplify right side
    159,231.48x = 24,091,854,738.27
  5. Step 5: Solve for x
    x = 24,091,854,738.27/159,231.48
  6. Step 6: Final answer
    x = 151,300.83

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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.