Home / 208,475.20-312,713.04-50,702.56

Finding the Fourth Proportional to 208,475.20, 312,713.04 and 50,702.56

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Solution

The fourth proportional to 208,475.20, 312,713.04 and 50,702.56 is: 76,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,475.20 : 312,713.04 = 50,702.56 : x
  2. Step 2: Convert to fraction form
    208,475.20/312,713.04 = 50,702.56/x
  3. Step 3: Cross multiply
    208,475.20x = 312,713.04 × 50,702.56
  4. Step 4: Simplify right side
    208,475.20x = 15,855,351,673.38
  5. Step 5: Solve for x
    x = 15,855,351,673.38/208,475.20
  6. Step 6: Final answer
    x = 76,053.90

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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.