Home / 321,033.20-481,555.26-121,447.58

Finding the Fourth Proportional to 321,033.20, 481,555.26 and 121,447.58

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Solution

The fourth proportional to 321,033.20, 481,555.26 and 121,447.58 is: 182,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,033.20 : 481,555.26 = 121,447.58 : x
  2. Step 2: Convert to fraction form
    321,033.20/481,555.26 = 121,447.58/x
  3. Step 3: Cross multiply
    321,033.20x = 481,555.26 × 121,447.58
  4. Step 4: Simplify right side
    321,033.20x = 58,483,718,555.49
  5. Step 5: Solve for x
    x = 58,483,718,555.49/321,033.20
  6. Step 6: Final answer
    x = 182,173.43

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1.5x scale

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.