Home / 131,603.94-197,422.31-42,833.61

Finding the Fourth Proportional to 131,603.94, 197,422.31 and 42,833.61

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Solution

The fourth proportional to 131,603.94, 197,422.31 and 42,833.61 is: 64,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,603.94 : 197,422.31 = 42,833.61 : x
  2. Step 2: Convert to fraction form
    131,603.94/197,422.31 = 42,833.61/x
  3. Step 3: Cross multiply
    131,603.94x = 197,422.31 × 42,833.61
  4. Step 4: Simplify right side
    131,603.94x = 8,456,310,338.92
  5. Step 5: Solve for x
    x = 8,456,310,338.92/131,603.94
  6. Step 6: Final answer
    x = 64,255.75

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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.