Home / 104,931.14-144,800.76-57,183.48

Finding the Fourth Proportional to 104,931.14, 144,800.76 and 57,183.48

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Solution

The fourth proportional to 104,931.14, 144,800.76 and 57,183.48 is: 78,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.14 : 144,800.76 = 57,183.48 : x
  2. Step 2: Convert to fraction form
    104,931.14/144,800.76 = 57,183.48/x
  3. Step 3: Cross multiply
    104,931.14x = 144,800.76 × 57,183.48
  4. Step 4: Simplify right side
    104,931.14x = 8,280,211,363.44
  5. Step 5: Solve for x
    x = 8,280,211,363.44/104,931.14
  6. Step 6: Final answer
    x = 78,910.91

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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.