Home / 127,741.23-191,634.39-52,819.43

Finding the Fourth Proportional to 127,741.23, 191,634.39 and 52,819.43

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Solution

The fourth proportional to 127,741.23, 191,634.39 and 52,819.43 is: 79,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.23 : 191,634.39 = 52,819.43 : x
  2. Step 2: Convert to fraction form
    127,741.23/191,634.39 = 52,819.43/x
  3. Step 3: Cross multiply
    127,741.23x = 191,634.39 × 52,819.43
  4. Step 4: Simplify right side
    127,741.23x = 10,122,018,290.03
  5. Step 5: Solve for x
    x = 10,122,018,290.03/127,741.23
  6. Step 6: Final answer
    x = 79,238.46

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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.