Home / 320,278.14-441,964.62-177,029.64

Finding the Fourth Proportional to 320,278.14, 441,964.62 and 177,029.64

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Solution

The fourth proportional to 320,278.14, 441,964.62 and 177,029.64 is: 244,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,278.14 : 441,964.62 = 177,029.64 : x
  2. Step 2: Convert to fraction form
    320,278.14/441,964.62 = 177,029.64/x
  3. Step 3: Cross multiply
    320,278.14x = 441,964.62 × 177,029.64
  4. Step 4: Simplify right side
    320,278.14x = 78,240,837,571.34
  5. Step 5: Solve for x
    x = 78,240,837,571.34/320,278.14
  6. Step 6: Final answer
    x = 244,290.28

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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.