Home / 252,234.26-378,373.20-72,320.48

Finding the Fourth Proportional to 252,234.26, 378,373.20 and 72,320.48

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Solution

The fourth proportional to 252,234.26, 378,373.20 and 72,320.48 is: 108,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,234.26 : 378,373.20 = 72,320.48 : x
  2. Step 2: Convert to fraction form
    252,234.26/378,373.20 = 72,320.48/x
  3. Step 3: Cross multiply
    252,234.26x = 378,373.20 × 72,320.48
  4. Step 4: Simplify right side
    252,234.26x = 27,364,131,443.14
  5. Step 5: Solve for x
    x = 27,364,131,443.14/252,234.26
  6. Step 6: Final answer
    x = 108,486.97

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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.