Home / 221,051.34-331,299.45-94,542.75

Finding the Fourth Proportional to 221,051.34, 331,299.45 and 94,542.75

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Solution

The fourth proportional to 221,051.34, 331,299.45 and 94,542.75 is: 141,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,051.34 : 331,299.45 = 94,542.75 : x
  2. Step 2: Convert to fraction form
    221,051.34/331,299.45 = 94,542.75/x
  3. Step 3: Cross multiply
    221,051.34x = 331,299.45 × 94,542.75
  4. Step 4: Simplify right side
    221,051.34x = 31,321,961,076.49
  5. Step 5: Solve for x
    x = 31,321,961,076.49/221,051.34
  6. Step 6: Final answer
    x = 141,695.41

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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.