Home / 226,137.22-312,215.38-140,188.05

Finding the Fourth Proportional to 226,137.22, 312,215.38 and 140,188.05

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Solution

The fourth proportional to 226,137.22, 312,215.38 and 140,188.05 is: 193,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,137.22 : 312,215.38 = 140,188.05 : x
  2. Step 2: Convert to fraction form
    226,137.22/312,215.38 = 140,188.05/x
  3. Step 3: Cross multiply
    226,137.22x = 312,215.38 × 140,188.05
  4. Step 4: Simplify right side
    226,137.22x = 43,768,864,951.74
  5. Step 5: Solve for x
    x = 43,768,864,951.74/226,137.22
  6. Step 6: Final answer
    x = 193,550.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.