Home / 147,239.44-203,137.06-83,540.34

Finding the Fourth Proportional to 147,239.44, 203,137.06 and 83,540.34

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Solution

The fourth proportional to 147,239.44, 203,137.06 and 83,540.34 is: 115,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,239.44 : 203,137.06 = 83,540.34 : x
  2. Step 2: Convert to fraction form
    147,239.44/203,137.06 = 83,540.34/x
  3. Step 3: Cross multiply
    147,239.44x = 203,137.06 × 83,540.34
  4. Step 4: Simplify right side
    147,239.44x = 16,970,139,059.00
  5. Step 5: Solve for x
    x = 16,970,139,059.00/147,239.44
  6. Step 6: Final answer
    x = 115,255.39

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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.