Home / 212,789.63-293,651.71-117,299.75

Finding the Fourth Proportional to 212,789.63, 293,651.71 and 117,299.75

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Solution

The fourth proportional to 212,789.63, 293,651.71 and 117,299.75 is: 161,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.63 : 293,651.71 = 117,299.75 : x
  2. Step 2: Convert to fraction form
    212,789.63/293,651.71 = 117,299.75/x
  3. Step 3: Cross multiply
    212,789.63x = 293,651.71 × 117,299.75
  4. Step 4: Simplify right side
    212,789.63x = 34,445,270,408.56
  5. Step 5: Solve for x
    x = 34,445,270,408.56/212,789.63
  6. Step 6: Final answer
    x = 161,874.76

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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.