Home / 184,983.75-255,279.40-100,102.64

Finding the Fourth Proportional to 184,983.75, 255,279.40 and 100,102.64

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Solution

The fourth proportional to 184,983.75, 255,279.40 and 100,102.64 is: 138,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,983.75 : 255,279.40 = 100,102.64 : x
  2. Step 2: Convert to fraction form
    184,983.75/255,279.40 = 100,102.64/x
  3. Step 3: Cross multiply
    184,983.75x = 255,279.40 × 100,102.64
  4. Step 4: Simplify right side
    184,983.75x = 25,554,140,350.96
  5. Step 5: Solve for x
    x = 25,554,140,350.96/184,983.75
  6. Step 6: Final answer
    x = 138,142.62

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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.