Home / 156,579.75-234,908.64-45,771.75

Finding the Fourth Proportional to 156,579.75, 234,908.64 and 45,771.75

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Solution

The fourth proportional to 156,579.75, 234,908.64 and 45,771.75 is: 68,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,579.75 : 234,908.64 = 45,771.75 : x
  2. Step 2: Convert to fraction form
    156,579.75/234,908.64 = 45,771.75/x
  3. Step 3: Cross multiply
    156,579.75x = 234,908.64 × 45,771.75
  4. Step 4: Simplify right side
    156,579.75x = 10,752,179,542.92
  5. Step 5: Solve for x
    x = 10,752,179,542.92/156,579.75
  6. Step 6: Final answer
    x = 68,669.03

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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.