Home / 148,548.36-204,996.84-80,565.33

Finding the Fourth Proportional to 148,548.36, 204,996.84 and 80,565.33

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Solution

The fourth proportional to 148,548.36, 204,996.84 and 80,565.33 is: 111,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,548.36 : 204,996.84 = 80,565.33 : x
  2. Step 2: Convert to fraction form
    148,548.36/204,996.84 = 80,565.33/x
  3. Step 3: Cross multiply
    148,548.36x = 204,996.84 × 80,565.33
  4. Step 4: Simplify right side
    148,548.36x = 16,515,638,063.56
  5. Step 5: Solve for x
    x = 16,515,638,063.56/148,548.36
  6. Step 6: Final answer
    x = 111,180.21

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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.