Home / 221,046.26-331,667.40-115,840.22

Finding the Fourth Proportional to 221,046.26, 331,667.40 and 115,840.22

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Solution

The fourth proportional to 221,046.26, 331,667.40 and 115,840.22 is: 173,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,046.26 : 331,667.40 = 115,840.22 : x
  2. Step 2: Convert to fraction form
    221,046.26/331,667.40 = 115,840.22/x
  3. Step 3: Cross multiply
    221,046.26x = 331,667.40 × 115,840.22
  4. Step 4: Simplify right side
    221,046.26x = 38,420,424,582.83
  5. Step 5: Solve for x
    x = 38,420,424,582.83/221,046.26
  6. Step 6: Final answer
    x = 173,811.69

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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.