Home / 201,986.97-278,741.96-111,344.42

Finding the Fourth Proportional to 201,986.97, 278,741.96 and 111,344.42

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Solution

The fourth proportional to 201,986.97, 278,741.96 and 111,344.42 is: 153,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,986.97 : 278,741.96 = 111,344.42 : x
  2. Step 2: Convert to fraction form
    201,986.97/278,741.96 = 111,344.42/x
  3. Step 3: Cross multiply
    201,986.97x = 278,741.96 × 111,344.42
  4. Step 4: Simplify right side
    201,986.97x = 31,036,362,423.54
  5. Step 5: Solve for x
    x = 31,036,362,423.54/201,986.97
  6. Step 6: Final answer
    x = 153,655.27

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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.