Home / 321,976.08-483,069.06-161,969.44

Finding the Fourth Proportional to 321,976.08, 483,069.06 and 161,969.44

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Solution

The fourth proportional to 321,976.08, 483,069.06 and 161,969.44 is: 243,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,976.08 : 483,069.06 = 161,969.44 : x
  2. Step 2: Convert to fraction form
    321,976.08/483,069.06 = 161,969.44/x
  3. Step 3: Cross multiply
    321,976.08x = 483,069.06 × 161,969.44
  4. Step 4: Simplify right side
    321,976.08x = 78,242,425,129.53
  5. Step 5: Solve for x
    x = 78,242,425,129.53/321,976.08
  6. Step 6: Final answer
    x = 243,006.95

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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.