Home / 185,077.37-255,406.84-100,194.44

Finding the Fourth Proportional to 185,077.37, 255,406.84 and 100,194.44

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Solution

The fourth proportional to 185,077.37, 255,406.84 and 100,194.44 is: 138,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,077.37 : 255,406.84 = 100,194.44 : x
  2. Step 2: Convert to fraction form
    185,077.37/255,406.84 = 100,194.44/x
  3. Step 3: Cross multiply
    185,077.37x = 255,406.84 × 100,194.44
  4. Step 4: Simplify right side
    185,077.37x = 25,590,343,778.45
  5. Step 5: Solve for x
    x = 25,590,343,778.45/185,077.37
  6. Step 6: Final answer
    x = 138,268.35

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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.