Home / 139,747.64-192,846.57-76,084.16

Finding the Fourth Proportional to 139,747.64, 192,846.57 and 76,084.16

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Solution

The fourth proportional to 139,747.64, 192,846.57 and 76,084.16 is: 104,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,747.64 : 192,846.57 = 76,084.16 : x
  2. Step 2: Convert to fraction form
    139,747.64/192,846.57 = 76,084.16/x
  3. Step 3: Cross multiply
    139,747.64x = 192,846.57 × 76,084.16
  4. Step 4: Simplify right side
    139,747.64x = 14,672,569,287.33
  5. Step 5: Solve for x
    x = 14,672,569,287.33/139,747.64
  6. Step 6: Final answer
    x = 104,993.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.