Home / 104,931.44-144,801.18-57,183.77

Finding the Fourth Proportional to 104,931.44, 144,801.18 and 57,183.77

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Solution

The fourth proportional to 104,931.44, 144,801.18 and 57,183.77 is: 78,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.44 : 144,801.18 = 57,183.77 : x
  2. Step 2: Convert to fraction form
    104,931.44/144,801.18 = 57,183.77/x
  3. Step 3: Cross multiply
    104,931.44x = 144,801.18 × 57,183.77
  4. Step 4: Simplify right side
    104,931.44x = 8,280,277,372.85
  5. Step 5: Solve for x
    x = 8,280,277,372.85/104,931.44
  6. Step 6: Final answer
    x = 78,911.31

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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.