Home / 127,733.21-191,623.05-43,489.05

Finding the Fourth Proportional to 127,733.21, 191,623.05 and 43,489.05

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Solution

The fourth proportional to 127,733.21, 191,623.05 and 43,489.05 is: 65,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.21 : 191,623.05 = 43,489.05 : x
  2. Step 2: Convert to fraction form
    127,733.21/191,623.05 = 43,489.05/x
  3. Step 3: Cross multiply
    127,733.21x = 191,623.05 × 43,489.05
  4. Step 4: Simplify right side
    127,733.21x = 8,333,504,185.16
  5. Step 5: Solve for x
    x = 8,333,504,185.16/127,733.21
  6. Step 6: Final answer
    x = 65,241.49

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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.