Home / 186,075.60-278,914.64-86,119.44

Finding the Fourth Proportional to 186,075.60, 278,914.64 and 86,119.44

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Solution

The fourth proportional to 186,075.60, 278,914.64 and 86,119.44 is: 129,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,075.60 : 278,914.64 = 86,119.44 : x
  2. Step 2: Convert to fraction form
    186,075.60/278,914.64 = 86,119.44/x
  3. Step 3: Cross multiply
    186,075.60x = 278,914.64 × 86,119.44
  4. Step 4: Simplify right side
    186,075.60x = 24,019,972,604.60
  5. Step 5: Solve for x
    x = 24,019,972,604.60/186,075.60
  6. Step 6: Final answer
    x = 129,087.17

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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.