Home / 122,857.25-184,200.37-54,431.65

Finding the Fourth Proportional to 122,857.25, 184,200.37 and 54,431.65

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Solution

The fourth proportional to 122,857.25, 184,200.37 and 54,431.65 is: 81,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,857.25 : 184,200.37 = 54,431.65 : x
  2. Step 2: Convert to fraction form
    122,857.25/184,200.37 = 54,431.65/x
  3. Step 3: Cross multiply
    122,857.25x = 184,200.37 × 54,431.65
  4. Step 4: Simplify right side
    122,857.25x = 10,026,330,069.71
  5. Step 5: Solve for x
    x = 10,026,330,069.71/122,857.25
  6. Step 6: Final answer
    x = 81,609.59

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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.