Home / 325,806.50-488,556.38-126,220.34

Finding the Fourth Proportional to 325,806.50, 488,556.38 and 126,220.34

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Solution

The fourth proportional to 325,806.50, 488,556.38 and 126,220.34 is: 189,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,806.50 : 488,556.38 = 126,220.34 : x
  2. Step 2: Convert to fraction form
    325,806.50/488,556.38 = 126,220.34/x
  3. Step 3: Cross multiply
    325,806.50x = 488,556.38 × 126,220.34
  4. Step 4: Simplify right side
    325,806.50x = 61,665,752,392.77
  5. Step 5: Solve for x
    x = 61,665,752,392.77/325,806.50
  6. Step 6: Final answer
    x = 189,271.09

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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.