Home / 135,849.44-187,462.90-75,415.37

Finding the Fourth Proportional to 135,849.44, 187,462.90 and 75,415.37

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Solution

The fourth proportional to 135,849.44, 187,462.90 and 75,415.37 is: 104,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,849.44 : 187,462.90 = 75,415.37 : x
  2. Step 2: Convert to fraction form
    135,849.44/187,462.90 = 75,415.37/x
  3. Step 3: Cross multiply
    135,849.44x = 187,462.90 × 75,415.37
  4. Step 4: Simplify right side
    135,849.44x = 14,137,583,121.73
  5. Step 5: Solve for x
    x = 14,137,583,121.73/135,849.44
  6. Step 6: Final answer
    x = 104,068.02

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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.