Home / 263,157.12-394,787.52-96,946.56

Finding the Fourth Proportional to 263,157.12, 394,787.52 and 96,946.56

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Solution

The fourth proportional to 263,157.12, 394,787.52 and 96,946.56 is: 145,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,157.12 : 394,787.52 = 96,946.56 : x
  2. Step 2: Convert to fraction form
    263,157.12/394,787.52 = 96,946.56/x
  3. Step 3: Cross multiply
    263,157.12x = 394,787.52 × 96,946.56
  4. Step 4: Simplify right side
    263,157.12x = 38,273,291,994.93
  5. Step 5: Solve for x
    x = 38,273,291,994.93/263,157.12
  6. Step 6: Final answer
    x = 145,438.94

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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.