Home / 201,268.23-277,727.85-120,699.15

Finding the Fourth Proportional to 201,268.23, 277,727.85 and 120,699.15

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Solution

The fourth proportional to 201,268.23, 277,727.85 and 120,699.15 is: 166,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,268.23 : 277,727.85 = 120,699.15 : x
  2. Step 2: Convert to fraction form
    201,268.23/277,727.85 = 120,699.15/x
  3. Step 3: Cross multiply
    201,268.23x = 277,727.85 × 120,699.15
  4. Step 4: Simplify right side
    201,268.23x = 33,521,515,426.33
  5. Step 5: Solve for x
    x = 33,521,515,426.33/201,268.23
  6. Step 6: Final answer
    x = 166,551.45

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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.