Home / 184,939.40-255,215.31-100,054.64

Finding the Fourth Proportional to 184,939.40, 255,215.31 and 100,054.64

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Solution

The fourth proportional to 184,939.40, 255,215.31 and 100,054.64 is: 138,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,939.40 : 255,215.31 = 100,054.64 : x
  2. Step 2: Convert to fraction form
    184,939.40/255,215.31 = 100,054.64/x
  3. Step 3: Cross multiply
    184,939.40x = 255,215.31 × 100,054.64
  4. Step 4: Simplify right side
    184,939.40x = 25,535,476,227.37
  5. Step 5: Solve for x
    x = 25,535,476,227.37/184,939.40
  6. Step 6: Final answer
    x = 138,074.83

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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.