Home / 117,789.60-176,617.26-80,394.94

Finding the Fourth Proportional to 117,789.60, 176,617.26 and 80,394.94

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Solution

The fourth proportional to 117,789.60, 176,617.26 and 80,394.94 is: 120,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,789.60 : 176,617.26 = 80,394.94 : x
  2. Step 2: Convert to fraction form
    117,789.60/176,617.26 = 80,394.94/x
  3. Step 3: Cross multiply
    117,789.60x = 176,617.26 × 80,394.94
  4. Step 4: Simplify right side
    117,789.60x = 14,199,134,020.66
  5. Step 5: Solve for x
    x = 14,199,134,020.66/117,789.60
  6. Step 6: Final answer
    x = 120,546.58

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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.