Home / 116,338.35-174,163.06-71,821.96

Finding the Fourth Proportional to 116,338.35, 174,163.06 and 71,821.96

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Solution

The fourth proportional to 116,338.35, 174,163.06 and 71,821.96 is: 107,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,338.35 : 174,163.06 = 71,821.96 : x
  2. Step 2: Convert to fraction form
    116,338.35/174,163.06 = 71,821.96/x
  3. Step 3: Cross multiply
    116,338.35x = 174,163.06 × 71,821.96
  4. Step 4: Simplify right side
    116,338.35x = 12,508,732,328.80
  5. Step 5: Solve for x
    x = 12,508,732,328.80/116,338.35
  6. Step 6: Final answer
    x = 107,520.28

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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.