Home / 208,462.44-312,689.34-50,691.72

Finding the Fourth Proportional to 208,462.44, 312,689.34 and 50,691.72

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Solution

The fourth proportional to 208,462.44, 312,689.34 and 50,691.72 is: 76,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,462.44 : 312,689.34 = 50,691.72 : x
  2. Step 2: Convert to fraction form
    208,462.44/312,689.34 = 50,691.72/x
  3. Step 3: Cross multiply
    208,462.44x = 312,689.34 × 50,691.72
  4. Step 4: Simplify right side
    208,462.44x = 15,850,760,470.26
  5. Step 5: Solve for x
    x = 15,850,760,470.26/208,462.44
  6. Step 6: Final answer
    x = 76,036.53

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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.