Home / 175,917.80-263,870.22-76,103.12

Finding the Fourth Proportional to 175,917.80, 263,870.22 and 76,103.12

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Solution

The fourth proportional to 175,917.80, 263,870.22 and 76,103.12 is: 114,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,917.80 : 263,870.22 = 76,103.12 : x
  2. Step 2: Convert to fraction form
    175,917.80/263,870.22 = 76,103.12/x
  3. Step 3: Cross multiply
    175,917.80x = 263,870.22 × 76,103.12
  4. Step 4: Simplify right side
    175,917.80x = 20,081,347,017.09
  5. Step 5: Solve for x
    x = 20,081,347,017.09/175,917.80
  6. Step 6: Final answer
    x = 114,151.88

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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.