Home / 208,515.74-287,917.35-192,594.38

Finding the Fourth Proportional to 208,515.74, 287,917.35 and 192,594.38

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Solution

The fourth proportional to 208,515.74, 287,917.35 and 192,594.38 is: 265,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,515.74 : 287,917.35 = 192,594.38 : x
  2. Step 2: Convert to fraction form
    208,515.74/287,917.35 = 192,594.38/x
  3. Step 3: Cross multiply
    208,515.74x = 287,917.35 × 192,594.38
  4. Step 4: Simplify right side
    208,515.74x = 55,451,263,514.49
  5. Step 5: Solve for x
    x = 55,451,263,514.49/208,515.74
  6. Step 6: Final answer
    x = 265,933.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.