Home / 190,695.47-263,161.81-104,651.90

Finding the Fourth Proportional to 190,695.47, 263,161.81 and 104,651.90

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Solution

The fourth proportional to 190,695.47, 263,161.81 and 104,651.90 is: 144,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,695.47 : 263,161.81 = 104,651.90 : x
  2. Step 2: Convert to fraction form
    190,695.47/263,161.81 = 104,651.90/x
  3. Step 3: Cross multiply
    190,695.47x = 263,161.81 × 104,651.90
  4. Step 4: Simplify right side
    190,695.47x = 27,540,383,225.80
  5. Step 5: Solve for x
    x = 27,540,383,225.80/190,695.47
  6. Step 6: Final answer
    x = 144,420.76

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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.