Home / 116,120.70-174,139.25-40,198.59

Finding the Fourth Proportional to 116,120.70, 174,139.25 and 40,198.59

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Solution

The fourth proportional to 116,120.70, 174,139.25 and 40,198.59 is: 60,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.70 : 174,139.25 = 40,198.59 : x
  2. Step 2: Convert to fraction form
    116,120.70/174,139.25 = 40,198.59/x
  3. Step 3: Cross multiply
    116,120.70x = 174,139.25 × 40,198.59
  4. Step 4: Simplify right side
    116,120.70x = 7,000,152,112.66
  5. Step 5: Solve for x
    x = 7,000,152,112.66/116,120.70
  6. Step 6: Final answer
    x = 60,283.41

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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.