Home / 184,923.72-255,194.28-100,042.20

Finding the Fourth Proportional to 184,923.72, 255,194.28 and 100,042.20

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Solution

The fourth proportional to 184,923.72, 255,194.28 and 100,042.20 is: 138,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,923.72 : 255,194.28 = 100,042.20 : x
  2. Step 2: Convert to fraction form
    184,923.72/255,194.28 = 100,042.20/x
  3. Step 3: Cross multiply
    184,923.72x = 255,194.28 × 100,042.20
  4. Step 4: Simplify right side
    184,923.72x = 25,530,197,198.62
  5. Step 5: Solve for x
    x = 25,530,197,198.62/184,923.72
  6. Step 6: Final answer
    x = 138,057.99

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1.5x scale

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.