Home / 209,788.62-289,500.58-114,293.26

Finding the Fourth Proportional to 209,788.62, 289,500.58 and 114,293.26

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Solution

The fourth proportional to 209,788.62, 289,500.58 and 114,293.26 is: 157,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,788.62 : 289,500.58 = 114,293.26 : x
  2. Step 2: Convert to fraction form
    209,788.62/289,500.58 = 114,293.26/x
  3. Step 3: Cross multiply
    209,788.62x = 289,500.58 × 114,293.26
  4. Step 4: Simplify right side
    209,788.62x = 33,087,965,564.83
  5. Step 5: Solve for x
    x = 33,087,965,564.83/209,788.62
  6. Step 6: Final answer
    x = 157,720.50

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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.