Home / 245,406.24-368,098.65-76,922.73

Finding the Fourth Proportional to 245,406.24, 368,098.65 and 76,922.73

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Solution

The fourth proportional to 245,406.24, 368,098.65 and 76,922.73 is: 115,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,406.24 : 368,098.65 = 76,922.73 : x
  2. Step 2: Convert to fraction form
    245,406.24/368,098.65 = 76,922.73/x
  3. Step 3: Cross multiply
    245,406.24x = 368,098.65 × 76,922.73
  4. Step 4: Simplify right side
    245,406.24x = 28,315,153,067.31
  5. Step 5: Solve for x
    x = 28,315,153,067.31/245,406.24
  6. Step 6: Final answer
    x = 115,380.74

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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.