Home / 116,122.20-173,891.70-76,464.60

Finding the Fourth Proportional to 116,122.20, 173,891.70 and 76,464.60

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Solution

The fourth proportional to 116,122.20, 173,891.70 and 76,464.60 is: 114,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,122.20 : 173,891.70 = 76,464.60 : x
  2. Step 2: Convert to fraction form
    116,122.20/173,891.70 = 76,464.60/x
  3. Step 3: Cross multiply
    116,122.20x = 173,891.70 × 76,464.60
  4. Step 4: Simplify right side
    116,122.20x = 13,296,559,283.82
  5. Step 5: Solve for x
    x = 13,296,559,283.82/116,122.20
  6. Step 6: Final answer
    x = 114,504.89

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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.