Home / 168,583.32-252,874.08-68,743.08

Finding the Fourth Proportional to 168,583.32, 252,874.08 and 68,743.08

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Solution

The fourth proportional to 168,583.32, 252,874.08 and 68,743.08 is: 103,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,583.32 : 252,874.08 = 68,743.08 : x
  2. Step 2: Convert to fraction form
    168,583.32/252,874.08 = 68,743.08/x
  3. Step 3: Cross multiply
    168,583.32x = 252,874.08 × 68,743.08
  4. Step 4: Simplify right side
    168,583.32x = 17,383,343,111.37
  5. Step 5: Solve for x
    x = 17,383,343,111.37/168,583.32
  6. Step 6: Final answer
    x = 103,114.25

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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.