Home / 321,257.80-481,890.48-152,794.36

Finding the Fourth Proportional to 321,257.80, 481,890.48 and 152,794.36

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Solution

The fourth proportional to 321,257.80, 481,890.48 and 152,794.36 is: 229,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,257.80 : 481,890.48 = 152,794.36 : x
  2. Step 2: Convert to fraction form
    321,257.80/481,890.48 = 152,794.36/x
  3. Step 3: Cross multiply
    321,257.80x = 481,890.48 × 152,794.36
  4. Step 4: Simplify right side
    321,257.80x = 73,630,147,481.69
  5. Step 5: Solve for x
    x = 73,630,147,481.69/321,257.80
  6. Step 6: Final answer
    x = 229,193.34

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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.