Home / 270,515.16-373,278.63-149,640.06

Finding the Fourth Proportional to 270,515.16, 373,278.63 and 149,640.06

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Solution

The fourth proportional to 270,515.16, 373,278.63 and 149,640.06 is: 206,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,515.16 : 373,278.63 = 149,640.06 : x
  2. Step 2: Convert to fraction form
    270,515.16/373,278.63 = 149,640.06/x
  3. Step 3: Cross multiply
    270,515.16x = 373,278.63 × 149,640.06
  4. Step 4: Simplify right side
    270,515.16x = 55,857,436,589.92
  5. Step 5: Solve for x
    x = 55,857,436,589.92/270,515.16
  6. Step 6: Final answer
    x = 206,485.42

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1.5x scale

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.