Home / 209,749.14-289,452.33-114,255.54

Finding the Fourth Proportional to 209,749.14, 289,452.33 and 114,255.54

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Solution

The fourth proportional to 209,749.14, 289,452.33 and 114,255.54 is: 157,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,749.14 : 289,452.33 = 114,255.54 : x
  2. Step 2: Convert to fraction form
    209,749.14/289,452.33 = 114,255.54/x
  3. Step 3: Cross multiply
    209,749.14x = 289,452.33 × 114,255.54
  4. Step 4: Simplify right side
    209,749.14x = 33,071,532,268.41
  5. Step 5: Solve for x
    x = 33,071,532,268.41/209,749.14
  6. Step 6: Final answer
    x = 157,671.84

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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.