Home / 271,709.24-407,432.78-113,895.32

Finding the Fourth Proportional to 271,709.24, 407,432.78 and 113,895.32

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Solution

The fourth proportional to 271,709.24, 407,432.78 and 113,895.32 is: 170,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,709.24 : 407,432.78 = 113,895.32 : x
  2. Step 2: Convert to fraction form
    271,709.24/407,432.78 = 113,895.32/x
  3. Step 3: Cross multiply
    271,709.24x = 407,432.78 × 113,895.32
  4. Step 4: Simplify right side
    271,709.24x = 46,404,686,856.59
  5. Step 5: Solve for x
    x = 46,404,686,856.59/271,709.24
  6. Step 6: Final answer
    x = 170,788.03

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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.