Home / 356,481.04-534,721.92-90,241.54

Finding the Fourth Proportional to 356,481.04, 534,721.92 and 90,241.54

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Solution

The fourth proportional to 356,481.04, 534,721.92 and 90,241.54 is: 135,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,481.04 : 534,721.92 = 90,241.54 : x
  2. Step 2: Convert to fraction form
    356,481.04/534,721.92 = 90,241.54/x
  3. Step 3: Cross multiply
    356,481.04x = 534,721.92 × 90,241.54
  4. Step 4: Simplify right side
    356,481.04x = 48,254,129,532.56
  5. Step 5: Solve for x
    x = 48,254,129,532.56/356,481.04
  6. Step 6: Final answer
    x = 135,362.40

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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.