Home / 170,520.28-255,749.46-45,832.12

Finding the Fourth Proportional to 170,520.28, 255,749.46 and 45,832.12

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Solution

The fourth proportional to 170,520.28, 255,749.46 and 45,832.12 is: 68,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,520.28 : 255,749.46 = 45,832.12 : x
  2. Step 2: Convert to fraction form
    170,520.28/255,749.46 = 45,832.12/x
  3. Step 3: Cross multiply
    170,520.28x = 255,749.46 × 45,832.12
  4. Step 4: Simplify right side
    170,520.28x = 11,721,539,940.66
  5. Step 5: Solve for x
    x = 11,721,539,940.66/170,520.28
  6. Step 6: Final answer
    x = 68,739.86

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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.