Home / 209,867.40-289,608.57-114,372.03

Finding the Fourth Proportional to 209,867.40, 289,608.57 and 114,372.03

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Solution

The fourth proportional to 209,867.40, 289,608.57 and 114,372.03 is: 157,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,867.40 : 289,608.57 = 114,372.03 : x
  2. Step 2: Convert to fraction form
    209,867.40/289,608.57 = 114,372.03/x
  3. Step 3: Cross multiply
    209,867.40x = 289,608.57 × 114,372.03
  4. Step 4: Simplify right side
    209,867.40x = 33,123,120,056.30
  5. Step 5: Solve for x
    x = 33,123,120,056.30/209,867.40
  6. Step 6: Final answer
    x = 157,828.80

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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.