Home / 213,721.68-320,626.24-73,462.08

Finding the Fourth Proportional to 213,721.68, 320,626.24 and 73,462.08

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Solution

The fourth proportional to 213,721.68, 320,626.24 and 73,462.08 is: 110,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,721.68 : 320,626.24 = 73,462.08 : x
  2. Step 2: Convert to fraction form
    213,721.68/320,626.24 = 73,462.08/x
  3. Step 3: Cross multiply
    213,721.68x = 320,626.24 × 73,462.08
  4. Step 4: Simplify right side
    213,721.68x = 23,553,870,492.98
  5. Step 5: Solve for x
    x = 23,553,870,492.98/213,721.68
  6. Step 6: Final answer
    x = 110,208.15

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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.