Home / 135,337.51-203,076.26-98,203.73

Finding the Fourth Proportional to 135,337.51, 203,076.26 and 98,203.73

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Solution

The fourth proportional to 135,337.51, 203,076.26 and 98,203.73 is: 147,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,337.51 : 203,076.26 = 98,203.73 : x
  2. Step 2: Convert to fraction form
    135,337.51/203,076.26 = 98,203.73/x
  3. Step 3: Cross multiply
    135,337.51x = 203,076.26 × 98,203.73
  4. Step 4: Simplify right side
    135,337.51x = 19,942,845,715.43
  5. Step 5: Solve for x
    x = 19,942,845,715.43/135,337.51
  6. Step 6: Final answer
    x = 147,356.39

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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.