Home / 201,428.42-277,965.59-110,784.33

Finding the Fourth Proportional to 201,428.42, 277,965.59 and 110,784.33

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Solution

The fourth proportional to 201,428.42, 277,965.59 and 110,784.33 is: 152,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,428.42 : 277,965.59 = 110,784.33 : x
  2. Step 2: Convert to fraction form
    201,428.42/277,965.59 = 110,784.33/x
  3. Step 3: Cross multiply
    201,428.42x = 277,965.59 × 110,784.33
  4. Step 4: Simplify right side
    201,428.42x = 30,794,231,097.28
  5. Step 5: Solve for x
    x = 30,794,231,097.28/201,428.42
  6. Step 6: Final answer
    x = 152,879.28

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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.