Home / 331,990.72-458,143.20-181,084.48

Finding the Fourth Proportional to 331,990.72, 458,143.20 and 181,084.48

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Solution

The fourth proportional to 331,990.72, 458,143.20 and 181,084.48 is: 249,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,990.72 : 458,143.20 = 181,084.48 : x
  2. Step 2: Convert to fraction form
    331,990.72/458,143.20 = 181,084.48/x
  3. Step 3: Cross multiply
    331,990.72x = 458,143.20 × 181,084.48
  4. Step 4: Simplify right side
    331,990.72x = 82,962,623,137.54
  5. Step 5: Solve for x
    x = 82,962,623,137.54/331,990.72
  6. Step 6: Final answer
    x = 249,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.