Home / 451,553.10-677,549.76-198,801.51

Finding the Fourth Proportional to 451,553.10, 677,549.76 and 198,801.51

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Solution

The fourth proportional to 451,553.10, 677,549.76 and 198,801.51 is: 298,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,553.10 : 677,549.76 = 198,801.51 : x
  2. Step 2: Convert to fraction form
    451,553.10/677,549.76 = 198,801.51/x
  3. Step 3: Cross multiply
    451,553.10x = 677,549.76 × 198,801.51
  4. Step 4: Simplify right side
    451,553.10x = 134,697,915,388.14
  5. Step 5: Solve for x
    x = 134,697,915,388.14/451,553.10
  6. Step 6: Final answer
    x = 298,299.17

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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.