Home / 185,639.67-256,183.43-100,756.73

Finding the Fourth Proportional to 185,639.67, 256,183.43 and 100,756.73

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Solution

The fourth proportional to 185,639.67, 256,183.43 and 100,756.73 is: 139,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,639.67 : 256,183.43 = 100,756.73 : x
  2. Step 2: Convert to fraction form
    185,639.67/256,183.43 = 100,756.73/x
  3. Step 3: Cross multiply
    185,639.67x = 256,183.43 × 100,756.73
  4. Step 4: Simplify right side
    185,639.67x = 25,812,205,579.33
  5. Step 5: Solve for x
    x = 25,812,205,579.33/185,639.67
  6. Step 6: Final answer
    x = 139,044.66

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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.