Home / 481,040.80-721,556.08-148,619.68

Finding the Fourth Proportional to 481,040.80, 721,556.08 and 148,619.68

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Solution

The fourth proportional to 481,040.80, 721,556.08 and 148,619.68 is: 222,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.80 : 721,556.08 = 148,619.68 : x
  2. Step 2: Convert to fraction form
    481,040.80/721,556.08 = 148,619.68/x
  3. Step 3: Cross multiply
    481,040.80x = 721,556.08 × 148,619.68
  4. Step 4: Simplify right side
    481,040.80x = 107,237,433,711.65
  5. Step 5: Solve for x
    x = 107,237,433,711.65/481,040.80
  6. Step 6: Final answer
    x = 222,927.94

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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.