Home / 252,315.44-378,546.22-74,826.72

Finding the Fourth Proportional to 252,315.44, 378,546.22 and 74,826.72

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Solution

The fourth proportional to 252,315.44, 378,546.22 and 74,826.72 is: 112,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,315.44 : 378,546.22 = 74,826.72 : x
  2. Step 2: Convert to fraction form
    252,315.44/378,546.22 = 74,826.72/x
  3. Step 3: Cross multiply
    252,315.44x = 378,546.22 × 74,826.72
  4. Step 4: Simplify right side
    252,315.44x = 28,325,372,011.00
  5. Step 5: Solve for x
    x = 28,325,372,011.00/252,315.44
  6. Step 6: Final answer
    x = 112,261.75

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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.