Home / 230,183.83-317,669.60-139,543.61

Finding the Fourth Proportional to 230,183.83, 317,669.60 and 139,543.61

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Solution

The fourth proportional to 230,183.83, 317,669.60 and 139,543.61 is: 192,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,183.83 : 317,669.60 = 139,543.61 : x
  2. Step 2: Convert to fraction form
    230,183.83/317,669.60 = 139,543.61/x
  3. Step 3: Cross multiply
    230,183.83x = 317,669.60 × 139,543.61
  4. Step 4: Simplify right side
    230,183.83x = 44,328,762,533.73
  5. Step 5: Solve for x
    x = 44,328,762,533.73/230,183.83
  6. Step 6: Final answer
    x = 192,579.83

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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.