Home / 190,519.74-262,921.32-104,480.73

Finding the Fourth Proportional to 190,519.74, 262,921.32 and 104,480.73

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Solution

The fourth proportional to 190,519.74, 262,921.32 and 104,480.73 is: 144,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,519.74 : 262,921.32 = 104,480.73 : x
  2. Step 2: Convert to fraction form
    190,519.74/262,921.32 = 104,480.73/x
  3. Step 3: Cross multiply
    190,519.74x = 262,921.32 × 104,480.73
  4. Step 4: Simplify right side
    190,519.74x = 27,470,211,446.16
  5. Step 5: Solve for x
    x = 27,470,211,446.16/190,519.74
  6. Step 6: Final answer
    x = 144,185.64

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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.