Home / 204,815.39-307,111.91-92,364.03

Finding the Fourth Proportional to 204,815.39, 307,111.91 and 92,364.03

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Solution

The fourth proportional to 204,815.39, 307,111.91 and 92,364.03 is: 138,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.39 : 307,111.91 = 92,364.03 : x
  2. Step 2: Convert to fraction form
    204,815.39/307,111.91 = 92,364.03/x
  3. Step 3: Cross multiply
    204,815.39x = 307,111.91 × 92,364.03
  4. Step 4: Simplify right side
    204,815.39x = 28,366,093,206.78
  5. Step 5: Solve for x
    x = 28,366,093,206.78/204,815.39
  6. Step 6: Final answer
    x = 138,495.91

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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.