Home / 212,771.06-293,620.56-117,286.64

Finding the Fourth Proportional to 212,771.06, 293,620.56 and 117,286.64

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Solution

The fourth proportional to 212,771.06, 293,620.56 and 117,286.64 is: 161,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,771.06 : 293,620.56 = 117,286.64 : x
  2. Step 2: Convert to fraction form
    212,771.06/293,620.56 = 117,286.64/x
  3. Step 3: Cross multiply
    212,771.06x = 293,620.56 × 117,286.64
  4. Step 4: Simplify right side
    212,771.06x = 34,437,768,110.47
  5. Step 5: Solve for x
    x = 34,437,768,110.47/212,771.06
  6. Step 6: Final answer
    x = 161,853.63

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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.