Home / 199,964.82-275,666.76-136,221.06

Finding the Fourth Proportional to 199,964.82, 275,666.76 and 136,221.06

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Solution

The fourth proportional to 199,964.82, 275,666.76 and 136,221.06 is: 187,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,964.82 : 275,666.76 = 136,221.06 : x
  2. Step 2: Convert to fraction form
    199,964.82/275,666.76 = 136,221.06/x
  3. Step 3: Cross multiply
    199,964.82x = 275,666.76 × 136,221.06
  4. Step 4: Simplify right side
    199,964.82x = 37,551,618,253.97
  5. Step 5: Solve for x
    x = 37,551,618,253.97/199,964.82
  6. Step 6: Final answer
    x = 187,791.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.