Home / 209,816.58-289,546.92-114,323.29

Finding the Fourth Proportional to 209,816.58, 289,546.92 and 114,323.29

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Solution

The fourth proportional to 209,816.58, 289,546.92 and 114,323.29 is: 157,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,816.58 : 289,546.92 = 114,323.29 : x
  2. Step 2: Convert to fraction form
    209,816.58/289,546.92 = 114,323.29/x
  3. Step 3: Cross multiply
    209,816.58x = 289,546.92 × 114,323.29
  4. Step 4: Simplify right side
    209,816.58x = 33,101,956,503.77
  5. Step 5: Solve for x
    x = 33,101,956,503.77/209,816.58
  6. Step 6: Final answer
    x = 157,766.16

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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.