Home / 156,556.94-234,540.16-121,324.37

Finding the Fourth Proportional to 156,556.94, 234,540.16 and 121,324.37

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Solution

The fourth proportional to 156,556.94, 234,540.16 and 121,324.37 is: 181,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,556.94 : 234,540.16 = 121,324.37 : x
  2. Step 2: Convert to fraction form
    156,556.94/234,540.16 = 121,324.37/x
  3. Step 3: Cross multiply
    156,556.94x = 234,540.16 × 121,324.37
  4. Step 4: Simplify right side
    156,556.94x = 28,455,435,675.69
  5. Step 5: Solve for x
    x = 28,455,435,675.69/156,556.94
  6. Step 6: Final answer
    x = 181,757.75

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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.