Home / 331,176.60-457,025.90-187,939.04

Finding the Fourth Proportional to 331,176.60, 457,025.90 and 187,939.04

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Solution

The fourth proportional to 331,176.60, 457,025.90 and 187,939.04 is: 259,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,176.60 : 457,025.90 = 187,939.04 : x
  2. Step 2: Convert to fraction form
    331,176.60/457,025.90 = 187,939.04/x
  3. Step 3: Cross multiply
    331,176.60x = 457,025.90 × 187,939.04
  4. Step 4: Simplify right side
    331,176.60x = 85,893,005,676.31
  5. Step 5: Solve for x
    x = 85,893,005,676.31/331,176.60
  6. Step 6: Final answer
    x = 259,357.11

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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.