Home / 104,183.15-156,110.54-80,548.34

Finding the Fourth Proportional to 104,183.15, 156,110.54 and 80,548.34

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Solution

The fourth proportional to 104,183.15, 156,110.54 and 80,548.34 is: 120,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.15 : 156,110.54 = 80,548.34 : x
  2. Step 2: Convert to fraction form
    104,183.15/156,110.54 = 80,548.34/x
  3. Step 3: Cross multiply
    104,183.15x = 156,110.54 × 80,548.34
  4. Step 4: Simplify right side
    104,183.15x = 12,574,443,670.21
  5. Step 5: Solve for x
    x = 12,574,443,670.21/104,183.15
  6. Step 6: Final answer
    x = 120,695.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.