Home / 215,822.63-323,763.48-73,629.73

Finding the Fourth Proportional to 215,822.63, 323,763.48 and 73,629.73

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Solution

The fourth proportional to 215,822.63, 323,763.48 and 73,629.73 is: 110,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.63 : 323,763.48 = 73,629.73 : x
  2. Step 2: Convert to fraction form
    215,822.63/323,763.48 = 73,629.73/x
  3. Step 3: Cross multiply
    215,822.63x = 323,763.48 × 73,629.73
  4. Step 4: Simplify right side
    215,822.63x = 23,838,616,199.80
  5. Step 5: Solve for x
    x = 23,838,616,199.80/215,822.63
  6. Step 6: Final answer
    x = 110,454.67

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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.