Home / 349,540.10-482,360.73-196,578.23

Finding the Fourth Proportional to 349,540.10, 482,360.73 and 196,578.23

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Solution

The fourth proportional to 349,540.10, 482,360.73 and 196,578.23 is: 271,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,540.10 : 482,360.73 = 196,578.23 : x
  2. Step 2: Convert to fraction form
    349,540.10/482,360.73 = 196,578.23/x
  3. Step 3: Cross multiply
    349,540.10x = 482,360.73 × 196,578.23
  4. Step 4: Simplify right side
    349,540.10x = 94,821,618,524.91
  5. Step 5: Solve for x
    x = 94,821,618,524.91/349,540.10
  6. Step 6: Final answer
    x = 271,275.37

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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.