Home / 263,307.06-395,181.78-113,660.40

Finding the Fourth Proportional to 263,307.06, 395,181.78 and 113,660.40

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Solution

The fourth proportional to 263,307.06, 395,181.78 and 113,660.40 is: 170,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,307.06 : 395,181.78 = 113,660.40 : x
  2. Step 2: Convert to fraction form
    263,307.06/395,181.78 = 113,660.40/x
  3. Step 3: Cross multiply
    263,307.06x = 395,181.78 × 113,660.40
  4. Step 4: Simplify right side
    263,307.06x = 44,916,519,187.51
  5. Step 5: Solve for x
    x = 44,916,519,187.51/263,307.06
  6. Step 6: Final answer
    x = 170,586.08

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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.