Home / 251,268.36-376,852.38-123,129.60

Finding the Fourth Proportional to 251,268.36, 376,852.38 and 123,129.60

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Solution

The fourth proportional to 251,268.36, 376,852.38 and 123,129.60 is: 184,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,268.36 : 376,852.38 = 123,129.60 : x
  2. Step 2: Convert to fraction form
    251,268.36/376,852.38 = 123,129.60/x
  3. Step 3: Cross multiply
    251,268.36x = 376,852.38 × 123,129.60
  4. Step 4: Simplify right side
    251,268.36x = 46,401,682,808.45
  5. Step 5: Solve for x
    x = 46,401,682,808.45/251,268.36
  6. Step 6: Final answer
    x = 184,669.82

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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.