Home / 179,551.36-269,338.08-74,378.56

Finding the Fourth Proportional to 179,551.36, 269,338.08 and 74,378.56

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Solution

The fourth proportional to 179,551.36, 269,338.08 and 74,378.56 is: 111,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,551.36 : 269,338.08 = 74,378.56 : x
  2. Step 2: Convert to fraction form
    179,551.36/269,338.08 = 74,378.56/x
  3. Step 3: Cross multiply
    179,551.36x = 269,338.08 × 74,378.56
  4. Step 4: Simplify right side
    179,551.36x = 20,032,978,543.56
  5. Step 5: Solve for x
    x = 20,032,978,543.56/179,551.36
  6. Step 6: Final answer
    x = 111,572.41

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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.