Home / 116,120.20-173,888.70-76,462.60

Finding the Fourth Proportional to 116,120.20, 173,888.70 and 76,462.60

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Solution

The fourth proportional to 116,120.20, 173,888.70 and 76,462.60 is: 114,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.20 : 173,888.70 = 76,462.60 : x
  2. Step 2: Convert to fraction form
    116,120.20/173,888.70 = 76,462.60/x
  3. Step 3: Cross multiply
    116,120.20x = 173,888.70 × 76,462.60
  4. Step 4: Simplify right side
    116,120.20x = 13,295,982,112.62
  5. Step 5: Solve for x
    x = 13,295,982,112.62/116,120.20
  6. Step 6: Final answer
    x = 114,501.89

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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.