Home / 331,456.10-457,381.53-186,250.82

Finding the Fourth Proportional to 331,456.10, 457,381.53 and 186,250.82

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Solution

The fourth proportional to 331,456.10, 457,381.53 and 186,250.82 is: 257,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,456.10 : 457,381.53 = 186,250.82 : x
  2. Step 2: Convert to fraction form
    331,456.10/457,381.53 = 186,250.82/x
  3. Step 3: Cross multiply
    331,456.10x = 457,381.53 × 186,250.82
  4. Step 4: Simplify right side
    331,456.10x = 85,187,685,015.35
  5. Step 5: Solve for x
    x = 85,187,685,015.35/331,456.10
  6. Step 6: Final answer
    x = 257,010.46

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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.