Home / 209,976.74-289,774.25-114,485.03

Finding the Fourth Proportional to 209,976.74, 289,774.25 and 114,485.03

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Solution

The fourth proportional to 209,976.74, 289,774.25 and 114,485.03 is: 157,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,976.74 : 289,774.25 = 114,485.03 : x
  2. Step 2: Convert to fraction form
    209,976.74/289,774.25 = 114,485.03/x
  3. Step 3: Cross multiply
    209,976.74x = 289,774.25 × 114,485.03
  4. Step 4: Simplify right side
    209,976.74x = 33,174,813,704.48
  5. Step 5: Solve for x
    x = 33,174,813,704.48/209,976.74
  6. Step 6: Final answer
    x = 157,992.80

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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.