Home / 149,230.95-205,946.31-84,704.73

Finding the Fourth Proportional to 149,230.95, 205,946.31 and 84,704.73

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Solution

The fourth proportional to 149,230.95, 205,946.31 and 84,704.73 is: 116,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230.95 : 205,946.31 = 84,704.73 : x
  2. Step 2: Convert to fraction form
    149,230.95/205,946.31 = 84,704.73/x
  3. Step 3: Cross multiply
    149,230.95x = 205,946.31 × 84,704.73
  4. Step 4: Simplify right side
    149,230.95x = 17,444,626,583.05
  5. Step 5: Solve for x
    x = 17,444,626,583.05/149,230.95
  6. Step 6: Final answer
    x = 116,896.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.