Home / 209,822.54-314,826.85-109,958.99

Finding the Fourth Proportional to 209,822.54, 314,826.85 and 109,958.99

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Solution

The fourth proportional to 209,822.54, 314,826.85 and 109,958.99 is: 164,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.54 : 314,826.85 = 109,958.99 : x
  2. Step 2: Convert to fraction form
    209,822.54/314,826.85 = 109,958.99/x
  3. Step 3: Cross multiply
    209,822.54x = 314,826.85 × 109,958.99
  4. Step 4: Simplify right side
    209,822.54x = 34,618,042,963.05
  5. Step 5: Solve for x
    x = 34,618,042,963.05/209,822.54
  6. Step 6: Final answer
    x = 164,987.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.