Home / 197,740.13-272,893.34-121,268.03

Finding the Fourth Proportional to 197,740.13, 272,893.34 and 121,268.03

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Solution

The fourth proportional to 197,740.13, 272,893.34 and 121,268.03 is: 167,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.13 : 272,893.34 = 121,268.03 : x
  2. Step 2: Convert to fraction form
    197,740.13/272,893.34 = 121,268.03/x
  3. Step 3: Cross multiply
    197,740.13x = 272,893.34 × 121,268.03
  4. Step 4: Simplify right side
    197,740.13x = 33,093,237,135.58
  5. Step 5: Solve for x
    x = 33,093,237,135.58/197,740.13
  6. Step 6: Final answer
    x = 167,357.21

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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.