Home / 127,942.83-191,908.73-43,710.51

Finding the Fourth Proportional to 127,942.83, 191,908.73 and 43,710.51

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Solution

The fourth proportional to 127,942.83, 191,908.73 and 43,710.51 is: 65,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.83 : 191,908.73 = 43,710.51 : x
  2. Step 2: Convert to fraction form
    127,942.83/191,908.73 = 43,710.51/x
  3. Step 3: Cross multiply
    127,942.83x = 191,908.73 × 43,710.51
  4. Step 4: Simplify right side
    127,942.83x = 8,388,428,243.20
  5. Step 5: Solve for x
    x = 8,388,428,243.20/127,942.83
  6. Step 6: Final answer
    x = 65,563.88

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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.