Home / 135,901.44-203,556.96-83,151.36

Finding the Fourth Proportional to 135,901.44, 203,556.96 and 83,151.36

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Solution

The fourth proportional to 135,901.44, 203,556.96 and 83,151.36 is: 124,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,901.44 : 203,556.96 = 83,151.36 : x
  2. Step 2: Convert to fraction form
    135,901.44/203,556.96 = 83,151.36/x
  3. Step 3: Cross multiply
    135,901.44x = 203,556.96 × 83,151.36
  4. Step 4: Simplify right side
    135,901.44x = 16,926,038,061.47
  5. Step 5: Solve for x
    x = 16,926,038,061.47/135,901.44
  6. Step 6: Final answer
    x = 124,546.42

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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.