Home / 190,168.83-262,491.30-109,649.97

Finding the Fourth Proportional to 190,168.83, 262,491.30 and 109,649.97

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Solution

The fourth proportional to 190,168.83, 262,491.30 and 109,649.97 is: 151,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,168.83 : 262,491.30 = 109,649.97 : x
  2. Step 2: Convert to fraction form
    190,168.83/262,491.30 = 109,649.97/x
  3. Step 3: Cross multiply
    190,168.83x = 262,491.30 × 109,649.97
  4. Step 4: Simplify right side
    190,168.83x = 28,782,163,170.26
  5. Step 5: Solve for x
    x = 28,782,163,170.26/190,168.83
  6. Step 6: Final answer
    x = 151,350.58

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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.