Home / 123,439.44-170,181.78-92,682.36

Finding the Fourth Proportional to 123,439.44, 170,181.78 and 92,682.36

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Solution

The fourth proportional to 123,439.44, 170,181.78 and 92,682.36 is: 127,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,439.44 : 170,181.78 = 92,682.36 : x
  2. Step 2: Convert to fraction form
    123,439.44/170,181.78 = 92,682.36/x
  3. Step 3: Cross multiply
    123,439.44x = 170,181.78 × 92,682.36
  4. Step 4: Simplify right side
    123,439.44x = 15,772,848,999.40
  5. Step 5: Solve for x
    x = 15,772,848,999.40/123,439.44
  6. Step 6: Final answer
    x = 127,778.03

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1.5x scale

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.