Home / 213,183.96-294,192.40-117,690.64

Finding the Fourth Proportional to 213,183.96, 294,192.40 and 117,690.64

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Solution

The fourth proportional to 213,183.96, 294,192.40 and 117,690.64 is: 162,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,183.96 : 294,192.40 = 117,690.64 : x
  2. Step 2: Convert to fraction form
    213,183.96/294,192.40 = 117,690.64/x
  3. Step 3: Cross multiply
    213,183.96x = 294,192.40 × 117,690.64
  4. Step 4: Simplify right side
    213,183.96x = 34,623,691,839.14
  5. Step 5: Solve for x
    x = 34,623,691,839.14/213,183.96
  6. Step 6: Final answer
    x = 162,412.27

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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.