Home / 185,628.76-256,166.18-100,745.86

Finding the Fourth Proportional to 185,628.76, 256,166.18 and 100,745.86

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Solution

The fourth proportional to 185,628.76, 256,166.18 and 100,745.86 is: 139,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.76 : 256,166.18 = 100,745.86 : x
  2. Step 2: Convert to fraction form
    185,628.76/256,166.18 = 100,745.86/x
  3. Step 3: Cross multiply
    185,628.76x = 256,166.18 × 100,745.86
  4. Step 4: Simplify right side
    185,628.76x = 25,807,682,107.01
  5. Step 5: Solve for x
    x = 25,807,682,107.01/185,628.76
  6. Step 6: Final answer
    x = 139,028.47

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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.