Home / 184,990.19-255,286.47-100,107.26

Finding the Fourth Proportional to 184,990.19, 255,286.47 and 100,107.26

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Solution

The fourth proportional to 184,990.19, 255,286.47 and 100,107.26 is: 138,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,990.19 : 255,286.47 = 100,107.26 : x
  2. Step 2: Convert to fraction form
    184,990.19/255,286.47 = 100,107.26/x
  3. Step 3: Cross multiply
    184,990.19x = 255,286.47 × 100,107.26
  4. Step 4: Simplify right side
    184,990.19x = 25,556,027,750.34
  5. Step 5: Solve for x
    x = 25,556,027,750.34/184,990.19
  6. Step 6: Final answer
    x = 138,148.01

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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.