Home / 311,631.93-467,658.23-122,068.79

Finding the Fourth Proportional to 311,631.93, 467,658.23 and 122,068.79

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Solution

The fourth proportional to 311,631.93, 467,658.23 and 122,068.79 is: 183,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,631.93 : 467,658.23 = 122,068.79 : x
  2. Step 2: Convert to fraction form
    311,631.93/467,658.23 = 122,068.79/x
  3. Step 3: Cross multiply
    311,631.93x = 467,658.23 × 122,068.79
  4. Step 4: Simplify right side
    311,631.93x = 57,086,471,321.01
  5. Step 5: Solve for x
    x = 57,086,471,321.01/311,631.93
  6. Step 6: Final answer
    x = 183,185.57

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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.