Home / 116,781.36-175,383.42-107,404.58

Finding the Fourth Proportional to 116,781.36, 175,383.42 and 107,404.58

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Solution

The fourth proportional to 116,781.36, 175,383.42 and 107,404.58 is: 161,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,781.36 : 175,383.42 = 107,404.58 : x
  2. Step 2: Convert to fraction form
    116,781.36/175,383.42 = 107,404.58/x
  3. Step 3: Cross multiply
    116,781.36x = 175,383.42 × 107,404.58
  4. Step 4: Simplify right side
    116,781.36x = 18,836,982,564.06
  5. Step 5: Solve for x
    x = 18,836,982,564.06/116,781.36
  6. Step 6: Final answer
    x = 161,301.28

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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.