Home / 135,927.96-203,891.94-42,441.72

Finding the Fourth Proportional to 135,927.96, 203,891.94 and 42,441.72

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Solution

The fourth proportional to 135,927.96, 203,891.94 and 42,441.72 is: 63,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,927.96 : 203,891.94 = 42,441.72 : x
  2. Step 2: Convert to fraction form
    135,927.96/203,891.94 = 42,441.72/x
  3. Step 3: Cross multiply
    135,927.96x = 203,891.94 × 42,441.72
  4. Step 4: Simplify right side
    135,927.96x = 8,653,524,627.74
  5. Step 5: Solve for x
    x = 8,653,524,627.74/135,927.96
  6. Step 6: Final answer
    x = 63,662.58

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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.