Home / 204,791.39-307,186.82-55,031.68

Finding the Fourth Proportional to 204,791.39, 307,186.82 and 55,031.68

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Solution

The fourth proportional to 204,791.39, 307,186.82 and 55,031.68 is: 82,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,791.39 : 307,186.82 = 55,031.68 : x
  2. Step 2: Convert to fraction form
    204,791.39/307,186.82 = 55,031.68/x
  3. Step 3: Cross multiply
    204,791.39x = 307,186.82 × 55,031.68
  4. Step 4: Simplify right side
    204,791.39x = 16,905,006,503.30
  5. Step 5: Solve for x
    x = 16,905,006,503.30/204,791.39
  6. Step 6: Final answer
    x = 82,547.45

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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.