Home / 179,338.56-268,907.40-83,172.66

Finding the Fourth Proportional to 179,338.56, 268,907.40 and 83,172.66

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Solution

The fourth proportional to 179,338.56, 268,907.40 and 83,172.66 is: 124,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,338.56 : 268,907.40 = 83,172.66 : x
  2. Step 2: Convert to fraction form
    179,338.56/268,907.40 = 83,172.66/x
  3. Step 3: Cross multiply
    179,338.56x = 268,907.40 × 83,172.66
  4. Step 4: Simplify right side
    179,338.56x = 22,365,743,751.68
  5. Step 5: Solve for x
    x = 22,365,743,751.68/179,338.56
  6. Step 6: Final answer
    x = 124,712.41

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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.