Home / 259,913.77-389,556.49-126,594.25

Finding the Fourth Proportional to 259,913.77, 389,556.49 and 126,594.25

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Solution

The fourth proportional to 259,913.77, 389,556.49 and 126,594.25 is: 189,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,913.77 : 389,556.49 = 126,594.25 : x
  2. Step 2: Convert to fraction form
    259,913.77/389,556.49 = 126,594.25/x
  3. Step 3: Cross multiply
    259,913.77x = 389,556.49 × 126,594.25
  4. Step 4: Simplify right side
    259,913.77x = 49,315,611,684.18
  5. Step 5: Solve for x
    x = 49,315,611,684.18/259,913.77
  6. Step 6: Final answer
    x = 189,738.36

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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.