Home / 269,219.30-403,796.55-111,431.30

Finding the Fourth Proportional to 269,219.30, 403,796.55 and 111,431.30

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Solution

The fourth proportional to 269,219.30, 403,796.55 and 111,431.30 is: 167,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,219.30 : 403,796.55 = 111,431.30 : x
  2. Step 2: Convert to fraction form
    269,219.30/403,796.55 = 111,431.30/x
  3. Step 3: Cross multiply
    269,219.30x = 403,796.55 × 111,431.30
  4. Step 4: Simplify right side
    269,219.30x = 44,995,574,502.02
  5. Step 5: Solve for x
    x = 44,995,574,502.02/269,219.30
  6. Step 6: Final answer
    x = 167,133.54

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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.