Home / 193,121.76-289,627.26-58,198.89

Finding the Fourth Proportional to 193,121.76, 289,627.26 and 58,198.89

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Solution

The fourth proportional to 193,121.76, 289,627.26 and 58,198.89 is: 87,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121.76 : 289,627.26 = 58,198.89 : x
  2. Step 2: Convert to fraction form
    193,121.76/289,627.26 = 58,198.89/x
  3. Step 3: Cross multiply
    193,121.76x = 289,627.26 × 58,198.89
  4. Step 4: Simplify right side
    193,121.76x = 16,855,983,597.61
  5. Step 5: Solve for x
    x = 16,855,983,597.61/193,121.76
  6. Step 6: Final answer
    x = 87,281.64

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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.