Home / 179,912.12-248,310.77-107,319.51

Finding the Fourth Proportional to 179,912.12, 248,310.77 and 107,319.51

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Solution

The fourth proportional to 179,912.12, 248,310.77 and 107,319.51 is: 148,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,912.12 : 248,310.77 = 107,319.51 : x
  2. Step 2: Convert to fraction form
    179,912.12/248,310.77 = 107,319.51/x
  3. Step 3: Cross multiply
    179,912.12x = 248,310.77 × 107,319.51
  4. Step 4: Simplify right side
    179,912.12x = 26,648,589,627.53
  5. Step 5: Solve for x
    x = 26,648,589,627.53/179,912.12
  6. Step 6: Final answer
    x = 148,120.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.