Home / 233,015.52-321,558.35-131,040.95

Finding the Fourth Proportional to 233,015.52, 321,558.35 and 131,040.95

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Solution

The fourth proportional to 233,015.52, 321,558.35 and 131,040.95 is: 180,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,015.52 : 321,558.35 = 131,040.95 : x
  2. Step 2: Convert to fraction form
    233,015.52/321,558.35 = 131,040.95/x
  3. Step 3: Cross multiply
    233,015.52x = 321,558.35 × 131,040.95
  4. Step 4: Simplify right side
    233,015.52x = 42,137,309,401.44
  5. Step 5: Solve for x
    x = 42,137,309,401.44/233,015.52
  6. Step 6: Final answer
    x = 180,834.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.