Home / 135,936.70-203,905.05-130,177.60

Finding the Fourth Proportional to 135,936.70, 203,905.05 and 130,177.60

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Solution

The fourth proportional to 135,936.70, 203,905.05 and 130,177.60 is: 195,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.70 : 203,905.05 = 130,177.60 : x
  2. Step 2: Convert to fraction form
    135,936.70/203,905.05 = 130,177.60/x
  3. Step 3: Cross multiply
    135,936.70x = 203,905.05 × 130,177.60
  4. Step 4: Simplify right side
    135,936.70x = 26,543,870,036.88
  5. Step 5: Solve for x
    x = 26,543,870,036.88/135,936.70
  6. Step 6: Final answer
    x = 195,266.40

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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.