Home / 208,733.20-312,754.20-177,629.20

Finding the Fourth Proportional to 208,733.20, 312,754.20 and 177,629.20

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Solution

The fourth proportional to 208,733.20, 312,754.20 and 177,629.20 is: 266,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,733.20 : 312,754.20 = 177,629.20 : x
  2. Step 2: Convert to fraction form
    208,733.20/312,754.20 = 177,629.20/x
  3. Step 3: Cross multiply
    208,733.20x = 312,754.20 × 177,629.20
  4. Step 4: Simplify right side
    208,733.20x = 55,554,278,342.64
  5. Step 5: Solve for x
    x = 55,554,278,342.64/208,733.20
  6. Step 6: Final answer
    x = 266,149.70

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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.