Home / 165,514.20-248,271.30-106,416.60

Finding the Fourth Proportional to 165,514.20, 248,271.30 and 106,416.60

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Solution

The fourth proportional to 165,514.20, 248,271.30 and 106,416.60 is: 159,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514.20 : 248,271.30 = 106,416.60 : x
  2. Step 2: Convert to fraction form
    165,514.20/248,271.30 = 106,416.60/x
  3. Step 3: Cross multiply
    165,514.20x = 248,271.30 × 106,416.60
  4. Step 4: Simplify right side
    165,514.20x = 26,420,187,623.58
  5. Step 5: Solve for x
    x = 26,420,187,623.58/165,514.20
  6. Step 6: Final answer
    x = 159,624.90

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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.