Home / 212,425.88-293,147.78-116,932.55

Finding the Fourth Proportional to 212,425.88, 293,147.78 and 116,932.55

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Solution

The fourth proportional to 212,425.88, 293,147.78 and 116,932.55 is: 161,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,425.88 : 293,147.78 = 116,932.55 : x
  2. Step 2: Convert to fraction form
    212,425.88/293,147.78 = 116,932.55/x
  3. Step 3: Cross multiply
    212,425.88x = 293,147.78 × 116,932.55
  4. Step 4: Simplify right side
    212,425.88x = 34,278,515,391.84
  5. Step 5: Solve for x
    x = 34,278,515,391.84/212,425.88
  6. Step 6: Final answer
    x = 161,366.95

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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.