Home / 159,214.83-219,716.46-87,593.31

Finding the Fourth Proportional to 159,214.83, 219,716.46 and 87,593.31

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Solution

The fourth proportional to 159,214.83, 219,716.46 and 87,593.31 is: 120,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,214.83 : 219,716.46 = 87,593.31 : x
  2. Step 2: Convert to fraction form
    159,214.83/219,716.46 = 87,593.31/x
  3. Step 3: Cross multiply
    159,214.83x = 219,716.46 × 87,593.31
  4. Step 4: Simplify right side
    159,214.83x = 19,245,692,104.21
  5. Step 5: Solve for x
    x = 19,245,692,104.21/159,214.83
  6. Step 6: Final answer
    x = 120,878.77

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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.