Home / 184,990.26-255,288.40-100,109.14

Finding the Fourth Proportional to 184,990.26, 255,288.40 and 100,109.14

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Solution

The fourth proportional to 184,990.26, 255,288.40 and 100,109.14 is: 138,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,990.26 : 255,288.40 = 100,109.14 : x
  2. Step 2: Convert to fraction form
    184,990.26/255,288.40 = 100,109.14/x
  3. Step 3: Cross multiply
    184,990.26x = 255,288.40 × 100,109.14
  4. Step 4: Simplify right side
    184,990.26x = 25,556,702,175.98
  5. Step 5: Solve for x
    x = 25,556,702,175.98/184,990.26
  6. Step 6: Final answer
    x = 138,151.61

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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.