Home / 376,245.36-519,184.23-223,257.21

Finding the Fourth Proportional to 376,245.36, 519,184.23 and 223,257.21

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Solution

The fourth proportional to 376,245.36, 519,184.23 and 223,257.21 is: 308,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,245.36 : 519,184.23 = 223,257.21 : x
  2. Step 2: Convert to fraction form
    376,245.36/519,184.23 = 223,257.21/x
  3. Step 3: Cross multiply
    376,245.36x = 519,184.23 × 223,257.21
  4. Step 4: Simplify right side
    376,245.36x = 115,911,622,665.80
  5. Step 5: Solve for x
    x = 115,911,622,665.80/376,245.36
  6. Step 6: Final answer
    x = 308,074.56

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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.