Home / 311,986.51-467,979.78-101,624.44

Finding the Fourth Proportional to 311,986.51, 467,979.78 and 101,624.44

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Solution

The fourth proportional to 311,986.51, 467,979.78 and 101,624.44 is: 152,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,986.51 : 467,979.78 = 101,624.44 : x
  2. Step 2: Convert to fraction form
    311,986.51/467,979.78 = 101,624.44/x
  3. Step 3: Cross multiply
    311,986.51x = 467,979.78 × 101,624.44
  4. Step 4: Simplify right side
    311,986.51x = 47,558,183,073.82
  5. Step 5: Solve for x
    x = 47,558,183,073.82/311,986.51
  6. Step 6: Final answer
    x = 152,436.66

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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.