Home / 117,982.80-176,943.24-80,535.96

Finding the Fourth Proportional to 117,982.80, 176,943.24 and 80,535.96

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Solution

The fourth proportional to 117,982.80, 176,943.24 and 80,535.96 is: 120,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,982.80 : 176,943.24 = 80,535.96 : x
  2. Step 2: Convert to fraction form
    117,982.80/176,943.24 = 80,535.96/x
  3. Step 3: Cross multiply
    117,982.80x = 176,943.24 × 80,535.96
  4. Step 4: Simplify right side
    117,982.80x = 14,250,293,698.91
  5. Step 5: Solve for x
    x = 14,250,293,698.91/117,982.80
  6. Step 6: Final answer
    x = 120,782.81

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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.