Home / 257,054.10-354,684.25-161,505.44

Finding the Fourth Proportional to 257,054.10, 354,684.25 and 161,505.44

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Solution

The fourth proportional to 257,054.10, 354,684.25 and 161,505.44 is: 222,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,054.10 : 354,684.25 = 161,505.44 : x
  2. Step 2: Convert to fraction form
    257,054.10/354,684.25 = 161,505.44/x
  3. Step 3: Cross multiply
    257,054.10x = 354,684.25 × 161,505.44
  4. Step 4: Simplify right side
    257,054.10x = 57,283,435,857.32
  5. Step 5: Solve for x
    x = 57,283,435,857.32/257,054.10
  6. Step 6: Final answer
    x = 222,845.84

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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.