Home / 246,997.08-370,490.46-78,517.69

Finding the Fourth Proportional to 246,997.08, 370,490.46 and 78,517.69

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Solution

The fourth proportional to 246,997.08, 370,490.46 and 78,517.69 is: 117,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,997.08 : 370,490.46 = 78,517.69 : x
  2. Step 2: Convert to fraction form
    246,997.08/370,490.46 = 78,517.69/x
  3. Step 3: Cross multiply
    246,997.08x = 370,490.46 × 78,517.69
  4. Step 4: Simplify right side
    246,997.08x = 29,090,053,865.57
  5. Step 5: Solve for x
    x = 29,090,053,865.57/246,997.08
  6. Step 6: Final answer
    x = 117,774.89

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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.