Home / 221,126.37-331,687.73-63,354.98

Finding the Fourth Proportional to 221,126.37, 331,687.73 and 63,354.98

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Solution

The fourth proportional to 221,126.37, 331,687.73 and 63,354.98 is: 95,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,126.37 : 331,687.73 = 63,354.98 : x
  2. Step 2: Convert to fraction form
    221,126.37/331,687.73 = 63,354.98/x
  3. Step 3: Cross multiply
    221,126.37x = 331,687.73 × 63,354.98
  4. Step 4: Simplify right side
    221,126.37x = 21,014,067,525.18
  5. Step 5: Solve for x
    x = 21,014,067,525.18/221,126.37
  6. Step 6: Final answer
    x = 95,031.94

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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.