Home / 192,983.04-266,321.28-108,118.40

Finding the Fourth Proportional to 192,983.04, 266,321.28 and 108,118.40

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Solution

The fourth proportional to 192,983.04, 266,321.28 and 108,118.40 is: 149,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,983.04 : 266,321.28 = 108,118.40 : x
  2. Step 2: Convert to fraction form
    192,983.04/266,321.28 = 108,118.40/x
  3. Step 3: Cross multiply
    192,983.04x = 266,321.28 × 108,118.40
  4. Step 4: Simplify right side
    192,983.04x = 28,794,230,679.55
  5. Step 5: Solve for x
    x = 28,794,230,679.55/192,983.04
  6. Step 6: Final answer
    x = 149,206.02

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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.