Home / 127,849.82-191,743.97-39,104.10

Finding the Fourth Proportional to 127,849.82, 191,743.97 and 39,104.10

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Solution

The fourth proportional to 127,849.82, 191,743.97 and 39,104.10 is: 58,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,849.82 : 191,743.97 = 39,104.10 : x
  2. Step 2: Convert to fraction form
    127,849.82/191,743.97 = 39,104.10/x
  3. Step 3: Cross multiply
    127,849.82x = 191,743.97 × 39,104.10
  4. Step 4: Simplify right side
    127,849.82x = 7,497,975,181.76
  5. Step 5: Solve for x
    x = 7,497,975,181.76/127,849.82
  6. Step 6: Final answer
    x = 58,646.74

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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.