Home / 133,415.24-184,128.82-75,273.44

Finding the Fourth Proportional to 133,415.24, 184,128.82 and 75,273.44

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Solution

The fourth proportional to 133,415.24, 184,128.82 and 75,273.44 is: 103,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415.24 : 184,128.82 = 75,273.44 : x
  2. Step 2: Convert to fraction form
    133,415.24/184,128.82 = 75,273.44/x
  3. Step 3: Cross multiply
    133,415.24x = 184,128.82 × 75,273.44
  4. Step 4: Simplify right side
    133,415.24x = 13,860,009,684.54
  5. Step 5: Solve for x
    x = 13,860,009,684.54/133,415.24
  6. Step 6: Final answer
    x = 103,886.26

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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.