Home / 193,216.19-289,732.24-71,597.12

Finding the Fourth Proportional to 193,216.19, 289,732.24 and 71,597.12

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Solution

The fourth proportional to 193,216.19, 289,732.24 and 71,597.12 is: 107,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,216.19 : 289,732.24 = 71,597.12 : x
  2. Step 2: Convert to fraction form
    193,216.19/289,732.24 = 71,597.12/x
  3. Step 3: Cross multiply
    193,216.19x = 289,732.24 × 71,597.12
  4. Step 4: Simplify right side
    193,216.19x = 20,743,992,595.98
  5. Step 5: Solve for x
    x = 20,743,992,595.98/193,216.19
  6. Step 6: Final answer
    x = 107,361.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.