Home / 137,579.14-206,378.52-47,584.54

Finding the Fourth Proportional to 137,579.14, 206,378.52 and 47,584.54

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Solution

The fourth proportional to 137,579.14, 206,378.52 and 47,584.54 is: 71,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,579.14 : 206,378.52 = 47,584.54 : x
  2. Step 2: Convert to fraction form
    137,579.14/206,378.52 = 47,584.54/x
  3. Step 3: Cross multiply
    137,579.14x = 206,378.52 × 47,584.54
  4. Step 4: Simplify right side
    137,579.14x = 9,820,426,940.08
  5. Step 5: Solve for x
    x = 9,820,426,940.08/137,579.14
  6. Step 6: Final answer
    x = 71,380.20

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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.