Home / 148,357.98-222,435.62-71,380.34

Finding the Fourth Proportional to 148,357.98, 222,435.62 and 71,380.34

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Solution

The fourth proportional to 148,357.98, 222,435.62 and 71,380.34 is: 107,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,357.98 : 222,435.62 = 71,380.34 : x
  2. Step 2: Convert to fraction form
    148,357.98/222,435.62 = 71,380.34/x
  3. Step 3: Cross multiply
    148,357.98x = 222,435.62 × 71,380.34
  4. Step 4: Simplify right side
    148,357.98x = 15,877,529,816.44
  5. Step 5: Solve for x
    x = 15,877,529,816.44/148,357.98
  6. Step 6: Final answer
    x = 107,021.74

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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.