Home / 147,786.62-221,711.04-47,939.04

Finding the Fourth Proportional to 147,786.62, 221,711.04 and 47,939.04

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Solution

The fourth proportional to 147,786.62, 221,711.04 and 47,939.04 is: 71,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,786.62 : 221,711.04 = 47,939.04 : x
  2. Step 2: Convert to fraction form
    147,786.62/221,711.04 = 47,939.04/x
  3. Step 3: Cross multiply
    147,786.62x = 221,711.04 × 47,939.04
  4. Step 4: Simplify right side
    147,786.62x = 10,628,614,415.00
  5. Step 5: Solve for x
    x = 10,628,614,415.00/147,786.62
  6. Step 6: Final answer
    x = 71,918.65

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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.