Home / 254,500.56-381,600-96,739.44

Finding the Fourth Proportional to 254,500.56, 381,600 and 96,739.44

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Solution

The fourth proportional to 254,500.56, 381,600 and 96,739.44 is: 145,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,500.56 : 381,600 = 96,739.44 : x
  2. Step 2: Convert to fraction form
    254,500.56/381,600 = 96,739.44/x
  3. Step 3: Cross multiply
    254,500.56x = 381,600 × 96,739.44
  4. Step 4: Simplify right side
    254,500.56x = 36,915,770,304
  5. Step 5: Solve for x
    x = 36,915,770,304/254,500.56
  6. Step 6: Final answer
    x = 145,051.82

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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.