Home / 185,076.60-255,405.42-100,193.64

Finding the Fourth Proportional to 185,076.60, 255,405.42 and 100,193.64

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Solution

The fourth proportional to 185,076.60, 255,405.42 and 100,193.64 is: 138,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,076.60 : 255,405.42 = 100,193.64 : x
  2. Step 2: Convert to fraction form
    185,076.60/255,405.42 = 100,193.64/x
  3. Step 3: Cross multiply
    185,076.60x = 255,405.42 × 100,193.64
  4. Step 4: Simplify right side
    185,076.60x = 25,589,998,705.53
  5. Step 5: Solve for x
    x = 25,589,998,705.53/185,076.60
  6. Step 6: Final answer
    x = 138,267.07

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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.