Home / 143,825.67-215,740.26-55,084.50

Finding the Fourth Proportional to 143,825.67, 215,740.26 and 55,084.50

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Solution

The fourth proportional to 143,825.67, 215,740.26 and 55,084.50 is: 82,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,825.67 : 215,740.26 = 55,084.50 : x
  2. Step 2: Convert to fraction form
    143,825.67/215,740.26 = 55,084.50/x
  3. Step 3: Cross multiply
    143,825.67x = 215,740.26 × 55,084.50
  4. Step 4: Simplify right side
    143,825.67x = 11,883,944,351.97
  5. Step 5: Solve for x
    x = 11,883,944,351.97/143,825.67
  6. Step 6: Final answer
    x = 82,627.42

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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.