Home / 208,586.52-312,132.33-180,603.09

Finding the Fourth Proportional to 208,586.52, 312,132.33 and 180,603.09

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Solution

The fourth proportional to 208,586.52, 312,132.33 and 180,603.09 is: 270,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,586.52 : 312,132.33 = 180,603.09 : x
  2. Step 2: Convert to fraction form
    208,586.52/312,132.33 = 180,603.09/x
  3. Step 3: Cross multiply
    208,586.52x = 312,132.33 × 180,603.09
  4. Step 4: Simplify right side
    208,586.52x = 56,372,063,286.90
  5. Step 5: Solve for x
    x = 56,372,063,286.90/208,586.52
  6. Step 6: Final answer
    x = 270,257.46

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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.