Home / 102,848.20-154,272.30-36,287.80

Finding the Fourth Proportional to 102,848.20, 154,272.30 and 36,287.80

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Solution

The fourth proportional to 102,848.20, 154,272.30 and 36,287.80 is: 54,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.20 : 154,272.30 = 36,287.80 : x
  2. Step 2: Convert to fraction form
    102,848.20/154,272.30 = 36,287.80/x
  3. Step 3: Cross multiply
    102,848.20x = 154,272.30 × 36,287.80
  4. Step 4: Simplify right side
    102,848.20x = 5,598,202,367.94
  5. Step 5: Solve for x
    x = 5,598,202,367.94/102,848.20
  6. Step 6: Final answer
    x = 54,431.70

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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.