Home / 168,027.10-252,085.20-73,216.60

Finding the Fourth Proportional to 168,027.10, 252,085.20 and 73,216.60

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Solution

The fourth proportional to 168,027.10, 252,085.20 and 73,216.60 is: 109,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027.10 : 252,085.20 = 73,216.60 : x
  2. Step 2: Convert to fraction form
    168,027.10/252,085.20 = 73,216.60/x
  3. Step 3: Cross multiply
    168,027.10x = 252,085.20 × 73,216.60
  4. Step 4: Simplify right side
    168,027.10x = 18,456,821,254.32
  5. Step 5: Solve for x
    x = 18,456,821,254.32/168,027.10
  6. Step 6: Final answer
    x = 109,844.31

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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.