Home / 223,286.40-334,891.20-82,972.80

Finding the Fourth Proportional to 223,286.40, 334,891.20 and 82,972.80

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Solution

The fourth proportional to 223,286.40, 334,891.20 and 82,972.80 is: 124,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,286.40 : 334,891.20 = 82,972.80 : x
  2. Step 2: Convert to fraction form
    223,286.40/334,891.20 = 82,972.80/x
  3. Step 3: Cross multiply
    223,286.40x = 334,891.20 × 82,972.80
  4. Step 4: Simplify right side
    223,286.40x = 27,786,860,559.36
  5. Step 5: Solve for x
    x = 27,786,860,559.36/223,286.40
  6. Step 6: Final answer
    x = 124,444.93

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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.