Home / 185,796.44-256,399.52-100,911.68

Finding the Fourth Proportional to 185,796.44, 256,399.52 and 100,911.68

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Solution

The fourth proportional to 185,796.44, 256,399.52 and 100,911.68 is: 139,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,796.44 : 256,399.52 = 100,911.68 : x
  2. Step 2: Convert to fraction form
    185,796.44/256,399.52 = 100,911.68/x
  3. Step 3: Cross multiply
    185,796.44x = 256,399.52 × 100,911.68
  4. Step 4: Simplify right side
    185,796.44x = 25,873,706,314.39
  5. Step 5: Solve for x
    x = 25,873,706,314.39/185,796.44
  6. Step 6: Final answer
    x = 139,258.35

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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.