Home / 175,378.72-263,107.06-81,833.44

Finding the Fourth Proportional to 175,378.72, 263,107.06 and 81,833.44

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Solution

The fourth proportional to 175,378.72, 263,107.06 and 81,833.44 is: 122,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,378.72 : 263,107.06 = 81,833.44 : x
  2. Step 2: Convert to fraction form
    175,378.72/263,107.06 = 81,833.44/x
  3. Step 3: Cross multiply
    175,378.72x = 263,107.06 × 81,833.44
  4. Step 4: Simplify right side
    175,378.72x = 21,530,955,808.09
  5. Step 5: Solve for x
    x = 21,530,955,808.09/175,378.72
  6. Step 6: Final answer
    x = 122,768.35

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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.