Home / 185,626.77-256,163.43-100,743.85

Finding the Fourth Proportional to 185,626.77, 256,163.43 and 100,743.85

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Solution

The fourth proportional to 185,626.77, 256,163.43 and 100,743.85 is: 139,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,626.77 : 256,163.43 = 100,743.85 : x
  2. Step 2: Convert to fraction form
    185,626.77/256,163.43 = 100,743.85/x
  3. Step 3: Cross multiply
    185,626.77x = 256,163.43 × 100,743.85
  4. Step 4: Simplify right side
    185,626.77x = 25,806,890,167.41
  5. Step 5: Solve for x
    x = 25,806,890,167.41/185,626.77
  6. Step 6: Final answer
    x = 139,025.69

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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.