Home / 321,376.08-481,908.60-110,940.24

Finding the Fourth Proportional to 321,376.08, 481,908.60 and 110,940.24

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Solution

The fourth proportional to 321,376.08, 481,908.60 and 110,940.24 is: 166,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,376.08 : 481,908.60 = 110,940.24 : x
  2. Step 2: Convert to fraction form
    321,376.08/481,908.60 = 110,940.24/x
  3. Step 3: Cross multiply
    321,376.08x = 481,908.60 × 110,940.24
  4. Step 4: Simplify right side
    321,376.08x = 53,463,055,742.06
  5. Step 5: Solve for x
    x = 53,463,055,742.06/321,376.08
  6. Step 6: Final answer
    x = 166,356.67

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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.