Home / 270,766.08-405,705.24-191,738.40

Finding the Fourth Proportional to 270,766.08, 405,705.24 and 191,738.40

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Solution

The fourth proportional to 270,766.08, 405,705.24 and 191,738.40 is: 287,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,766.08 : 405,705.24 = 191,738.40 : x
  2. Step 2: Convert to fraction form
    270,766.08/405,705.24 = 191,738.40/x
  3. Step 3: Cross multiply
    270,766.08x = 405,705.24 × 191,738.40
  4. Step 4: Simplify right side
    270,766.08x = 77,789,273,589.22
  5. Step 5: Solve for x
    x = 77,789,273,589.22/270,766.08
  6. Step 6: Final answer
    x = 287,293.27

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1.5x scale

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.