Home / 211,736.14-318,871.84-192,840.46

Finding the Fourth Proportional to 211,736.14, 318,871.84 and 192,840.46

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Solution

The fourth proportional to 211,736.14, 318,871.84 and 192,840.46 is: 290,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,736.14 : 318,871.84 = 192,840.46 : x
  2. Step 2: Convert to fraction form
    211,736.14/318,871.84 = 192,840.46/x
  3. Step 3: Cross multiply
    211,736.14x = 318,871.84 × 192,840.46
  4. Step 4: Simplify right side
    211,736.14x = 61,491,392,306.65
  5. Step 5: Solve for x
    x = 61,491,392,306.65/211,736.14
  6. Step 6: Final answer
    x = 290,415.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.