Home / 104,930.70-144,800.15-57,183.02

Finding the Fourth Proportional to 104,930.70, 144,800.15 and 57,183.02

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Solution

The fourth proportional to 104,930.70, 144,800.15 and 57,183.02 is: 78,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.70 : 144,800.15 = 57,183.02 : x
  2. Step 2: Convert to fraction form
    104,930.70/144,800.15 = 57,183.02/x
  3. Step 3: Cross multiply
    104,930.70x = 144,800.15 × 57,183.02
  4. Step 4: Simplify right side
    104,930.70x = 8,280,108,863.54
  5. Step 5: Solve for x
    x = 8,280,108,863.54/104,930.70
  6. Step 6: Final answer
    x = 78,910.26

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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.