Home / 262,509.30-394,055.55-162,782.10

Finding the Fourth Proportional to 262,509.30, 394,055.55 and 162,782.10

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Solution

The fourth proportional to 262,509.30, 394,055.55 and 162,782.10 is: 244,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,509.30 : 394,055.55 = 162,782.10 : x
  2. Step 2: Convert to fraction form
    262,509.30/394,055.55 = 162,782.10/x
  3. Step 3: Cross multiply
    262,509.30x = 394,055.55 × 162,782.10
  4. Step 4: Simplify right side
    262,509.30x = 64,145,189,945.66
  5. Step 5: Solve for x
    x = 64,145,189,945.66/262,509.30
  6. Step 6: Final answer
    x = 244,353.97

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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.