Home / 186,997.86-258,075.74-111,546.36

Finding the Fourth Proportional to 186,997.86, 258,075.74 and 111,546.36

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Solution

The fourth proportional to 186,997.86, 258,075.74 and 111,546.36 is: 153,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,997.86 : 258,075.74 = 111,546.36 : x
  2. Step 2: Convert to fraction form
    186,997.86/258,075.74 = 111,546.36/x
  3. Step 3: Cross multiply
    186,997.86x = 258,075.74 × 111,546.36
  4. Step 4: Simplify right side
    186,997.86x = 28,787,408,843.57
  5. Step 5: Solve for x
    x = 28,787,408,843.57/186,997.86
  6. Step 6: Final answer
    x = 153,945.12

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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.