Home / 139,546.81-192,629.38-98,923.27

Finding the Fourth Proportional to 139,546.81, 192,629.38 and 98,923.27

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Solution

The fourth proportional to 139,546.81, 192,629.38 and 98,923.27 is: 136,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,546.81 : 192,629.38 = 98,923.27 : x
  2. Step 2: Convert to fraction form
    139,546.81/192,629.38 = 98,923.27/x
  3. Step 3: Cross multiply
    139,546.81x = 192,629.38 × 98,923.27
  4. Step 4: Simplify right side
    139,546.81x = 19,055,527,673.06
  5. Step 5: Solve for x
    x = 19,055,527,673.06/139,546.81
  6. Step 6: Final answer
    x = 136,552.94

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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.