Home / 122,231.68-168,676.48-68,520.18

Finding the Fourth Proportional to 122,231.68, 168,676.48 and 68,520.18

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Solution

The fourth proportional to 122,231.68, 168,676.48 and 68,520.18 is: 94,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,231.68 : 168,676.48 = 68,520.18 : x
  2. Step 2: Convert to fraction form
    122,231.68/168,676.48 = 68,520.18/x
  3. Step 3: Cross multiply
    122,231.68x = 168,676.48 × 68,520.18
  4. Step 4: Simplify right side
    122,231.68x = 11,557,742,771.37
  5. Step 5: Solve for x
    x = 11,557,742,771.37/122,231.68
  6. Step 6: Final answer
    x = 94,556.03

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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.