Home / 132,245.64-198,305.94-51,230.61

Finding the Fourth Proportional to 132,245.64, 198,305.94 and 51,230.61

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Solution

The fourth proportional to 132,245.64, 198,305.94 and 51,230.61 is: 76,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,245.64 : 198,305.94 = 51,230.61 : x
  2. Step 2: Convert to fraction form
    132,245.64/198,305.94 = 51,230.61/x
  3. Step 3: Cross multiply
    132,245.64x = 198,305.94 × 51,230.61
  4. Step 4: Simplify right side
    132,245.64x = 10,159,334,328.59
  5. Step 5: Solve for x
    x = 10,159,334,328.59/132,245.64
  6. Step 6: Final answer
    x = 76,821.70

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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.