Home / 185,628.77-256,166.19-100,745.85

Finding the Fourth Proportional to 185,628.77, 256,166.19 and 100,745.85

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Solution

The fourth proportional to 185,628.77, 256,166.19 and 100,745.85 is: 139,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.77 : 256,166.19 = 100,745.85 : x
  2. Step 2: Convert to fraction form
    185,628.77/256,166.19 = 100,745.85/x
  3. Step 3: Cross multiply
    185,628.77x = 256,166.19 × 100,745.85
  4. Step 4: Simplify right side
    185,628.77x = 25,807,680,552.81
  5. Step 5: Solve for x
    x = 25,807,680,552.81/185,628.77
  6. Step 6: Final answer
    x = 139,028.45

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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.