Home / 327,170.19-490,405.37-149,410.83

Finding the Fourth Proportional to 327,170.19, 490,405.37 and 149,410.83

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Solution

The fourth proportional to 327,170.19, 490,405.37 and 149,410.83 is: 223,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,170.19 : 490,405.37 = 149,410.83 : x
  2. Step 2: Convert to fraction form
    327,170.19/490,405.37 = 149,410.83/x
  3. Step 3: Cross multiply
    327,170.19x = 490,405.37 × 149,410.83
  4. Step 4: Simplify right side
    327,170.19x = 73,271,872,621.10
  5. Step 5: Solve for x
    x = 73,271,872,621.10/327,170.19
  6. Step 6: Final answer
    x = 223,956.44

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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.