Home / 159,837.83-220,575.76-88,217.35

Finding the Fourth Proportional to 159,837.83, 220,575.76 and 88,217.35

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Solution

The fourth proportional to 159,837.83, 220,575.76 and 88,217.35 is: 121,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,837.83 : 220,575.76 = 88,217.35 : x
  2. Step 2: Convert to fraction form
    159,837.83/220,575.76 = 88,217.35/x
  3. Step 3: Cross multiply
    159,837.83x = 220,575.76 × 88,217.35
  4. Step 4: Simplify right side
    159,837.83x = 19,458,608,249.45
  5. Step 5: Solve for x
    x = 19,458,608,249.45/159,837.83
  6. Step 6: Final answer
    x = 121,739.69

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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.