Home / 208,519.46-312,779.23-50,747.92

Finding the Fourth Proportional to 208,519.46, 312,779.23 and 50,747.92

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Solution

The fourth proportional to 208,519.46, 312,779.23 and 50,747.92 is: 76,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,519.46 : 312,779.23 = 50,747.92 : x
  2. Step 2: Convert to fraction form
    208,519.46/312,779.23 = 50,747.92/x
  3. Step 3: Cross multiply
    208,519.46x = 312,779.23 × 50,747.92
  4. Step 4: Simplify right side
    208,519.46x = 15,872,895,341.70
  5. Step 5: Solve for x
    x = 15,872,895,341.70/208,519.46
  6. Step 6: Final answer
    x = 76,121.89

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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.