Home / 179,493.44-269,290.05-78,300.35

Finding the Fourth Proportional to 179,493.44, 269,290.05 and 78,300.35

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Solution

The fourth proportional to 179,493.44, 269,290.05 and 78,300.35 is: 117,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,493.44 : 269,290.05 = 78,300.35 : x
  2. Step 2: Convert to fraction form
    179,493.44/269,290.05 = 78,300.35/x
  3. Step 3: Cross multiply
    179,493.44x = 269,290.05 × 78,300.35
  4. Step 4: Simplify right side
    179,493.44x = 21,085,503,428.57
  5. Step 5: Solve for x
    x = 21,085,503,428.57/179,493.44
  6. Step 6: Final answer
    x = 117,472.28

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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.