Home / 278,558.26-384,409.32-151,233.82

Finding the Fourth Proportional to 278,558.26, 384,409.32 and 151,233.82

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Solution

The fourth proportional to 278,558.26, 384,409.32 and 151,233.82 is: 208,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,558.26 : 384,409.32 = 151,233.82 : x
  2. Step 2: Convert to fraction form
    278,558.26/384,409.32 = 151,233.82/x
  3. Step 3: Cross multiply
    278,558.26x = 384,409.32 × 151,233.82
  4. Step 4: Simplify right side
    278,558.26x = 58,135,689,907.20
  5. Step 5: Solve for x
    x = 58,135,689,907.20/278,558.26
  6. Step 6: Final answer
    x = 208,702.09

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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.