Home / 135,947.73-187,611.27-75,515.46

Finding the Fourth Proportional to 135,947.73, 187,611.27 and 75,515.46

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Solution

The fourth proportional to 135,947.73, 187,611.27 and 75,515.46 is: 104,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,947.73 : 187,611.27 = 75,515.46 : x
  2. Step 2: Convert to fraction form
    135,947.73/187,611.27 = 75,515.46/x
  3. Step 3: Cross multiply
    135,947.73x = 187,611.27 × 75,515.46
  4. Step 4: Simplify right side
    135,947.73x = 14,167,551,355.23
  5. Step 5: Solve for x
    x = 14,167,551,355.23/135,947.73
  6. Step 6: Final answer
    x = 104,213.22

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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.