Home / 331,487.10-497,230.65-109,871.10

Finding the Fourth Proportional to 331,487.10, 497,230.65 and 109,871.10

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Solution

The fourth proportional to 331,487.10, 497,230.65 and 109,871.10 is: 164,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,487.10 : 497,230.65 = 109,871.10 : x
  2. Step 2: Convert to fraction form
    331,487.10/497,230.65 = 109,871.10/x
  3. Step 3: Cross multiply
    331,487.10x = 497,230.65 × 109,871.10
  4. Step 4: Simplify right side
    331,487.10x = 54,631,278,469.22
  5. Step 5: Solve for x
    x = 54,631,278,469.22/331,487.10
  6. Step 6: Final answer
    x = 164,806.65

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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.