Home / 405,702.78-608,589.25-106,183.10

Finding the Fourth Proportional to 405,702.78, 608,589.25 and 106,183.10

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Solution

The fourth proportional to 405,702.78, 608,589.25 and 106,183.10 is: 159,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,702.78 : 608,589.25 = 106,183.10 : x
  2. Step 2: Convert to fraction form
    405,702.78/608,589.25 = 106,183.10/x
  3. Step 3: Cross multiply
    405,702.78x = 608,589.25 × 106,183.10
  4. Step 4: Simplify right side
    405,702.78x = 64,621,894,447.69
  5. Step 5: Solve for x
    x = 64,621,894,447.69/405,702.78
  6. Step 6: Final answer
    x = 159,283.84

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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.