Home / 135,905.00-187,531.92-75,467.43

Finding the Fourth Proportional to 135,905.00, 187,531.92 and 75,467.43

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Solution

The fourth proportional to 135,905.00, 187,531.92 and 75,467.43 is: 104,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.00 : 187,531.92 = 75,467.43 : x
  2. Step 2: Convert to fraction form
    135,905.00/187,531.92 = 75,467.43/x
  3. Step 3: Cross multiply
    135,905.00x = 187,531.92 × 75,467.43
  4. Step 4: Simplify right side
    135,905.00x = 14,152,552,045.37
  5. Step 5: Solve for x
    x = 14,152,552,045.37/135,905.00
  6. Step 6: Final answer
    x = 104,135.62

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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.