Home / 190,680.06-263,137.78-104,640.51

Finding the Fourth Proportional to 190,680.06, 263,137.78 and 104,640.51

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Solution

The fourth proportional to 190,680.06, 263,137.78 and 104,640.51 is: 144,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.06 : 263,137.78 = 104,640.51 : x
  2. Step 2: Convert to fraction form
    190,680.06/263,137.78 = 104,640.51/x
  3. Step 3: Cross multiply
    190,680.06x = 263,137.78 × 104,640.51
  4. Step 4: Simplify right side
    190,680.06x = 27,534,871,499.47
  5. Step 5: Solve for x
    x = 27,534,871,499.47/190,680.06
  6. Step 6: Final answer
    x = 144,403.52

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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.