Home / 612,815.97-919,371.62-192,091.84

Finding the Fourth Proportional to 612,815.97, 919,371.62 and 192,091.84

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Solution

The fourth proportional to 612,815.97, 919,371.62 and 192,091.84 is: 288,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,815.97 : 919,371.62 = 192,091.84 : x
  2. Step 2: Convert to fraction form
    612,815.97/919,371.62 = 192,091.84/x
  3. Step 3: Cross multiply
    612,815.97x = 919,371.62 × 192,091.84
  4. Step 4: Simplify right side
    612,815.97x = 176,603,786,129.58
  5. Step 5: Solve for x
    x = 176,603,786,129.58/612,815.97
  6. Step 6: Final answer
    x = 288,184.05

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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.