Home / 199,090.74-274,741.08-108,448.32

Finding the Fourth Proportional to 199,090.74, 274,741.08 and 108,448.32

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Solution

The fourth proportional to 199,090.74, 274,741.08 and 108,448.32 is: 149,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,090.74 : 274,741.08 = 108,448.32 : x
  2. Step 2: Convert to fraction form
    199,090.74/274,741.08 = 108,448.32/x
  3. Step 3: Cross multiply
    199,090.74x = 274,741.08 × 108,448.32
  4. Step 4: Simplify right side
    199,090.74x = 29,795,208,560.99
  5. Step 5: Solve for x
    x = 29,795,208,560.99/199,090.74
  6. Step 6: Final answer
    x = 149,656.43

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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.