Home / 135,956.34-187,619.58-75,532.56

Finding the Fourth Proportional to 135,956.34, 187,619.58 and 75,532.56

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Solution

The fourth proportional to 135,956.34, 187,619.58 and 75,532.56 is: 104,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,956.34 : 187,619.58 = 75,532.56 : x
  2. Step 2: Convert to fraction form
    135,956.34/187,619.58 = 75,532.56/x
  3. Step 3: Cross multiply
    135,956.34x = 187,619.58 × 75,532.56
  4. Step 4: Simplify right side
    135,956.34x = 14,171,387,183.52
  5. Step 5: Solve for x
    x = 14,171,387,183.52/135,956.34
  6. Step 6: Final answer
    x = 104,234.84

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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.