Home / 320,860.32-442,793.52-177,616.32

Finding the Fourth Proportional to 320,860.32, 442,793.52 and 177,616.32

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Solution

The fourth proportional to 320,860.32, 442,793.52 and 177,616.32 is: 245,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,860.32 : 442,793.52 = 177,616.32 : x
  2. Step 2: Convert to fraction form
    320,860.32/442,793.52 = 177,616.32/x
  3. Step 3: Cross multiply
    320,860.32x = 442,793.52 × 177,616.32
  4. Step 4: Simplify right side
    320,860.32x = 78,647,355,542.25
  5. Step 5: Solve for x
    x = 78,647,355,542.25/320,860.32
  6. Step 6: Final answer
    x = 245,114.00

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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.