Home / 135,905.55-187,552.22-75,481.88

Finding the Fourth Proportional to 135,905.55, 187,552.22 and 75,481.88

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Solution

The fourth proportional to 135,905.55, 187,552.22 and 75,481.88 is: 104,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.55 : 187,552.22 = 75,481.88 : x
  2. Step 2: Convert to fraction form
    135,905.55/187,552.22 = 75,481.88/x
  3. Step 3: Cross multiply
    135,905.55x = 187,552.22 × 75,481.88
  4. Step 4: Simplify right side
    135,905.55x = 14,156,792,848.60
  5. Step 5: Solve for x
    x = 14,156,792,848.60/135,905.55
  6. Step 6: Final answer
    x = 104,166.41

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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.