Home / 272,538.26-376,529.39-208,232.56

Finding the Fourth Proportional to 272,538.26, 376,529.39 and 208,232.56

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Solution

The fourth proportional to 272,538.26, 376,529.39 and 208,232.56 is: 287,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,538.26 : 376,529.39 = 208,232.56 : x
  2. Step 2: Convert to fraction form
    272,538.26/376,529.39 = 208,232.56/x
  3. Step 3: Cross multiply
    272,538.26x = 376,529.39 × 208,232.56
  4. Step 4: Simplify right side
    272,538.26x = 78,405,678,794.94
  5. Step 5: Solve for x
    x = 78,405,678,794.94/272,538.26
  6. Step 6: Final answer
    x = 287,686.87

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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.