Home / 330,578.52-456,198.32-196,442.52

Finding the Fourth Proportional to 330,578.52, 456,198.32 and 196,442.52

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Solution

The fourth proportional to 330,578.52, 456,198.32 and 196,442.52 is: 271,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,578.52 : 456,198.32 = 196,442.52 : x
  2. Step 2: Convert to fraction form
    330,578.52/456,198.32 = 196,442.52/x
  3. Step 3: Cross multiply
    330,578.52x = 456,198.32 × 196,442.52
  4. Step 4: Simplify right side
    330,578.52x = 89,616,747,600.57
  5. Step 5: Solve for x
    x = 89,616,747,600.57/330,578.52
  6. Step 6: Final answer
    x = 271,090.66

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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.