Home / 321,296.04-482,109.30-153,007.20

Finding the Fourth Proportional to 321,296.04, 482,109.30 and 153,007.20

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Solution

The fourth proportional to 321,296.04, 482,109.30 and 153,007.20 is: 229,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,296.04 : 482,109.30 = 153,007.20 : x
  2. Step 2: Convert to fraction form
    321,296.04/482,109.30 = 153,007.20/x
  3. Step 3: Cross multiply
    321,296.04x = 482,109.30 × 153,007.20
  4. Step 4: Simplify right side
    321,296.04x = 73,766,194,086.96
  5. Step 5: Solve for x
    x = 73,766,194,086.96/321,296.04
  6. Step 6: Final answer
    x = 229,589.49

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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.