Home / 246,008.20-369,022-68,530.72

Finding the Fourth Proportional to 246,008.20, 369,022 and 68,530.72

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Solution

The fourth proportional to 246,008.20, 369,022 and 68,530.72 is: 102,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,008.20 : 369,022 = 68,530.72 : x
  2. Step 2: Convert to fraction form
    246,008.20/369,022 = 68,530.72/x
  3. Step 3: Cross multiply
    246,008.20x = 369,022 × 68,530.72
  4. Step 4: Simplify right side
    246,008.20x = 25,289,343,355.84
  5. Step 5: Solve for x
    x = 25,289,343,355.84/246,008.20
  6. Step 6: Final answer
    x = 102,798.78

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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.