Home / 164,930.58-247,361.85-80,604.18

Finding the Fourth Proportional to 164,930.58, 247,361.85 and 80,604.18

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Solution

The fourth proportional to 164,930.58, 247,361.85 and 80,604.18 is: 120,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,930.58 : 247,361.85 = 80,604.18 : x
  2. Step 2: Convert to fraction form
    164,930.58/247,361.85 = 80,604.18/x
  3. Step 3: Cross multiply
    164,930.58x = 247,361.85 × 80,604.18
  4. Step 4: Simplify right side
    164,930.58x = 19,938,399,082.53
  5. Step 5: Solve for x
    x = 19,938,399,082.53/164,930.58
  6. Step 6: Final answer
    x = 120,889.64

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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.