Home / 215,822.20-323,762.84-73,629.30

Finding the Fourth Proportional to 215,822.20, 323,762.84 and 73,629.30

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Solution

The fourth proportional to 215,822.20, 323,762.84 and 73,629.30 is: 110,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.20 : 323,762.84 = 73,629.30 : x
  2. Step 2: Convert to fraction form
    215,822.20/323,762.84 = 73,629.30/x
  3. Step 3: Cross multiply
    215,822.20x = 323,762.84 × 73,629.30
  4. Step 4: Simplify right side
    215,822.20x = 23,838,431,275.21
  5. Step 5: Solve for x
    x = 23,838,431,275.21/215,822.20
  6. Step 6: Final answer
    x = 110,454.03

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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.