Home / 190,620.44-285,847.60-64,237.14

Finding the Fourth Proportional to 190,620.44, 285,847.60 and 64,237.14

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Solution

The fourth proportional to 190,620.44, 285,847.60 and 64,237.14 is: 96,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620.44 : 285,847.60 = 64,237.14 : x
  2. Step 2: Convert to fraction form
    190,620.44/285,847.60 = 64,237.14/x
  3. Step 3: Cross multiply
    190,620.44x = 285,847.60 × 64,237.14
  4. Step 4: Simplify right side
    190,620.44x = 18,362,032,299.86
  5. Step 5: Solve for x
    x = 18,362,032,299.86/190,620.44
  6. Step 6: Final answer
    x = 96,327.72

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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.