Home / 107,469.64-161,183.47-102,135.32

Finding the Fourth Proportional to 107,469.64, 161,183.47 and 102,135.32

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Solution

The fourth proportional to 107,469.64, 161,183.47 and 102,135.32 is: 153,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.64 : 161,183.47 = 102,135.32 : x
  2. Step 2: Convert to fraction form
    107,469.64/161,183.47 = 102,135.32/x
  3. Step 3: Cross multiply
    107,469.64x = 161,183.47 × 102,135.32
  4. Step 4: Simplify right side
    107,469.64x = 16,462,525,287.16
  5. Step 5: Solve for x
    x = 16,462,525,287.16/107,469.64
  6. Step 6: Final answer
    x = 153,183.03

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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.