Home / 110,313.40-165,081.30-76,876.60

Finding the Fourth Proportional to 110,313.40, 165,081.30 and 76,876.60

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Solution

The fourth proportional to 110,313.40, 165,081.30 and 76,876.60 is: 115,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,313.40 : 165,081.30 = 76,876.60 : x
  2. Step 2: Convert to fraction form
    110,313.40/165,081.30 = 76,876.60/x
  3. Step 3: Cross multiply
    110,313.40x = 165,081.30 × 76,876.60
  4. Step 4: Simplify right side
    110,313.40x = 12,690,889,067.58
  5. Step 5: Solve for x
    x = 12,690,889,067.58/110,313.40
  6. Step 6: Final answer
    x = 115,043.95

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1.5x scale

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.