Home / 106,220.16-146,489.28-83,825.28

Finding the Fourth Proportional to 106,220.16, 146,489.28 and 83,825.28

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Solution

The fourth proportional to 106,220.16, 146,489.28 and 83,825.28 is: 115,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220.16 : 146,489.28 = 83,825.28 : x
  2. Step 2: Convert to fraction form
    106,220.16/146,489.28 = 83,825.28/x
  3. Step 3: Cross multiply
    106,220.16x = 146,489.28 × 83,825.28
  4. Step 4: Simplify right side
    106,220.16x = 12,279,504,913.00
  5. Step 5: Solve for x
    x = 12,279,504,913.00/106,220.16
  6. Step 6: Final answer
    x = 115,604.28

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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.