Home / 186,998.14-258,076.10-111,546.64

Finding the Fourth Proportional to 186,998.14, 258,076.10 and 111,546.64

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Solution

The fourth proportional to 186,998.14, 258,076.10 and 111,546.64 is: 153,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,998.14 : 258,076.10 = 111,546.64 : x
  2. Step 2: Convert to fraction form
    186,998.14/258,076.10 = 111,546.64/x
  3. Step 3: Cross multiply
    186,998.14x = 258,076.10 × 111,546.64
  4. Step 4: Simplify right side
    186,998.14x = 28,787,521,819.30
  5. Step 5: Solve for x
    x = 28,787,521,819.30/186,998.14
  6. Step 6: Final answer
    x = 153,945.50

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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.