Home / 205,768.32-283,968.36-120,884.64

Finding the Fourth Proportional to 205,768.32, 283,968.36 and 120,884.64

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Solution

The fourth proportional to 205,768.32, 283,968.36 and 120,884.64 is: 166,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,768.32 : 283,968.36 = 120,884.64 : x
  2. Step 2: Convert to fraction form
    205,768.32/283,968.36 = 120,884.64/x
  3. Step 3: Cross multiply
    205,768.32x = 283,968.36 × 120,884.64
  4. Step 4: Simplify right side
    205,768.32x = 34,327,412,969.99
  5. Step 5: Solve for x
    x = 34,327,412,969.99/205,768.32
  6. Step 6: Final answer
    x = 166,825.55

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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.