Home / 186,998.06-258,075.99-111,546.56

Finding the Fourth Proportional to 186,998.06, 258,075.99 and 111,546.56

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Solution

The fourth proportional to 186,998.06, 258,075.99 and 111,546.56 is: 153,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,998.06 : 258,075.99 = 111,546.56 : x
  2. Step 2: Convert to fraction form
    186,998.06/258,075.99 = 111,546.56/x
  3. Step 3: Cross multiply
    186,998.06x = 258,075.99 × 111,546.56
  4. Step 4: Simplify right side
    186,998.06x = 28,787,487,612.71
  5. Step 5: Solve for x
    x = 28,787,487,612.71/186,998.06
  6. Step 6: Final answer
    x = 153,945.39

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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.