Home / 127,743.77-191,645.33-43,504.66

Finding the Fourth Proportional to 127,743.77, 191,645.33 and 43,504.66

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Solution

The fourth proportional to 127,743.77, 191,645.33 and 43,504.66 is: 65,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.77 : 191,645.33 = 43,504.66 : x
  2. Step 2: Convert to fraction form
    127,743.77/191,645.33 = 43,504.66/x
  3. Step 3: Cross multiply
    127,743.77x = 191,645.33 × 43,504.66
  4. Step 4: Simplify right side
    127,743.77x = 8,337,463,964.01
  5. Step 5: Solve for x
    x = 8,337,463,964.01/127,743.77
  6. Step 6: Final answer
    x = 65,267.09

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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.