Home / 185,880.44-256,517.34-100,998.92

Finding the Fourth Proportional to 185,880.44, 256,517.34 and 100,998.92

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Solution

The fourth proportional to 185,880.44, 256,517.34 and 100,998.92 is: 139,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,880.44 : 256,517.34 = 100,998.92 : x
  2. Step 2: Convert to fraction form
    185,880.44/256,517.34 = 100,998.92/x
  3. Step 3: Cross multiply
    185,880.44x = 256,517.34 × 100,998.92
  4. Step 4: Simplify right side
    185,880.44x = 25,907,974,301.27
  5. Step 5: Solve for x
    x = 25,907,974,301.27/185,880.44
  6. Step 6: Final answer
    x = 139,379.78

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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.