Home / 299,716.16-449,795.44-141,944.32

Finding the Fourth Proportional to 299,716.16, 449,795.44 and 141,944.32

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Solution

The fourth proportional to 299,716.16, 449,795.44 and 141,944.32 is: 213,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,716.16 : 449,795.44 = 141,944.32 : x
  2. Step 2: Convert to fraction form
    299,716.16/449,795.44 = 141,944.32/x
  3. Step 3: Cross multiply
    299,716.16x = 449,795.44 × 141,944.32
  4. Step 4: Simplify right side
    299,716.16x = 63,845,907,869.90
  5. Step 5: Solve for x
    x = 63,845,907,869.90/299,716.16
  6. Step 6: Final answer
    x = 213,021.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.