Home / 351,619.26-485,232.63-190,477.46

Finding the Fourth Proportional to 351,619.26, 485,232.63 and 190,477.46

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Solution

The fourth proportional to 351,619.26, 485,232.63 and 190,477.46 is: 262,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,619.26 : 485,232.63 = 190,477.46 : x
  2. Step 2: Convert to fraction form
    351,619.26/485,232.63 = 190,477.46/x
  3. Step 3: Cross multiply
    351,619.26x = 485,232.63 × 190,477.46
  4. Step 4: Simplify right side
    351,619.26x = 92,425,876,445.36
  5. Step 5: Solve for x
    x = 92,425,876,445.36/351,619.26
  6. Step 6: Final answer
    x = 262,857.83

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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.