Home / 203,024.20-304,502.70-68,086.60

Finding the Fourth Proportional to 203,024.20, 304,502.70 and 68,086.60

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Solution

The fourth proportional to 203,024.20, 304,502.70 and 68,086.60 is: 102,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,024.20 : 304,502.70 = 68,086.60 : x
  2. Step 2: Convert to fraction form
    203,024.20/304,502.70 = 68,086.60/x
  3. Step 3: Cross multiply
    203,024.20x = 304,502.70 × 68,086.60
  4. Step 4: Simplify right side
    203,024.20x = 20,732,553,533.82
  5. Step 5: Solve for x
    x = 20,732,553,533.82/203,024.20
  6. Step 6: Final answer
    x = 102,118.63

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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.