Home / 185,881.03-256,517.38-100,998.09

Finding the Fourth Proportional to 185,881.03, 256,517.38 and 100,998.09

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Solution

The fourth proportional to 185,881.03, 256,517.38 and 100,998.09 is: 139,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,881.03 : 256,517.38 = 100,998.09 : x
  2. Step 2: Convert to fraction form
    185,881.03/256,517.38 = 100,998.09/x
  3. Step 3: Cross multiply
    185,881.03x = 256,517.38 × 100,998.09
  4. Step 4: Simplify right side
    185,881.03x = 25,907,765,558.05
  5. Step 5: Solve for x
    x = 25,907,765,558.05/185,881.03
  6. Step 6: Final answer
    x = 139,378.21

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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.