Home / 386,976.98-580,239.94-150,042.87

Finding the Fourth Proportional to 386,976.98, 580,239.94 and 150,042.87

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Solution

The fourth proportional to 386,976.98, 580,239.94 and 150,042.87 is: 224,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,976.98 : 580,239.94 = 150,042.87 : x
  2. Step 2: Convert to fraction form
    386,976.98/580,239.94 = 150,042.87/x
  3. Step 3: Cross multiply
    386,976.98x = 580,239.94 × 150,042.87
  4. Step 4: Simplify right side
    386,976.98x = 87,060,865,886.23
  5. Step 5: Solve for x
    x = 87,060,865,886.23/386,976.98
  6. Step 6: Final answer
    x = 224,976.86

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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.