Home / 147,964.50-204,191.73-80,896.50

Finding the Fourth Proportional to 147,964.50, 204,191.73 and 80,896.50

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Solution

The fourth proportional to 147,964.50, 204,191.73 and 80,896.50 is: 111,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.50 : 204,191.73 = 80,896.50 : x
  2. Step 2: Convert to fraction form
    147,964.50/204,191.73 = 80,896.50/x
  3. Step 3: Cross multiply
    147,964.50x = 204,191.73 × 80,896.50
  4. Step 4: Simplify right side
    147,964.50x = 16,518,396,285.95
  5. Step 5: Solve for x
    x = 16,518,396,285.95/147,964.50
  6. Step 6: Final answer
    x = 111,637.56

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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.