Home / 321,304.20-481,869.90-96,664.20

Finding the Fourth Proportional to 321,304.20, 481,869.90 and 96,664.20

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Solution

The fourth proportional to 321,304.20, 481,869.90 and 96,664.20 is: 144,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,304.20 : 481,869.90 = 96,664.20 : x
  2. Step 2: Convert to fraction form
    321,304.20/481,869.90 = 96,664.20/x
  3. Step 3: Cross multiply
    321,304.20x = 481,869.90 × 96,664.20
  4. Step 4: Simplify right side
    321,304.20x = 46,579,568,387.58
  5. Step 5: Solve for x
    x = 46,579,568,387.58/321,304.20
  6. Step 6: Final answer
    x = 144,970.31

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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.