Home / 201,945.92-278,684.46-110,065.05

Finding the Fourth Proportional to 201,945.92, 278,684.46 and 110,065.05

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Solution

The fourth proportional to 201,945.92, 278,684.46 and 110,065.05 is: 151,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,945.92 : 278,684.46 = 110,065.05 : x
  2. Step 2: Convert to fraction form
    201,945.92/278,684.46 = 110,065.05/x
  3. Step 3: Cross multiply
    201,945.92x = 278,684.46 × 110,065.05
  4. Step 4: Simplify right side
    201,945.92x = 30,673,419,024.12
  5. Step 5: Solve for x
    x = 30,673,419,024.12/201,945.92
  6. Step 6: Final answer
    x = 151,889.28

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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.