Home / 116,245.62-160,377.66-75,982.59

Finding the Fourth Proportional to 116,245.62, 160,377.66 and 75,982.59

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Solution

The fourth proportional to 116,245.62, 160,377.66 and 75,982.59 is: 104,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,245.62 : 160,377.66 = 75,982.59 : x
  2. Step 2: Convert to fraction form
    116,245.62/160,377.66 = 75,982.59/x
  3. Step 3: Cross multiply
    116,245.62x = 160,377.66 × 75,982.59
  4. Step 4: Simplify right side
    116,245.62x = 12,185,909,984.94
  5. Step 5: Solve for x
    x = 12,185,909,984.94/116,245.62
  6. Step 6: Final answer
    x = 104,828.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.