Home / 417,516.75-626,382.09-137,036.43

Finding the Fourth Proportional to 417,516.75, 626,382.09 and 137,036.43

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Solution

The fourth proportional to 417,516.75, 626,382.09 and 137,036.43 is: 205,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,516.75 : 626,382.09 = 137,036.43 : x
  2. Step 2: Convert to fraction form
    417,516.75/626,382.09 = 137,036.43/x
  3. Step 3: Cross multiply
    417,516.75x = 626,382.09 × 137,036.43
  4. Step 4: Simplify right side
    417,516.75x = 85,837,165,429.54
  5. Step 5: Solve for x
    x = 85,837,165,429.54/417,516.75
  6. Step 6: Final answer
    x = 205,589.75

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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.