Home / 128,260.53-192,372.77-44,019.32

Finding the Fourth Proportional to 128,260.53, 192,372.77 and 44,019.32

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Solution

The fourth proportional to 128,260.53, 192,372.77 and 44,019.32 is: 66,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,260.53 : 192,372.77 = 44,019.32 : x
  2. Step 2: Convert to fraction form
    128,260.53/192,372.77 = 44,019.32/x
  3. Step 3: Cross multiply
    128,260.53x = 192,372.77 × 44,019.32
  4. Step 4: Simplify right side
    128,260.53x = 8,468,117,670.10
  5. Step 5: Solve for x
    x = 8,468,117,670.10/128,260.53
  6. Step 6: Final answer
    x = 66,022.79

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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.