Home / 242,890.22-335,248.60-165,493.88

Finding the Fourth Proportional to 242,890.22, 335,248.60 and 165,493.88

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Solution

The fourth proportional to 242,890.22, 335,248.60 and 165,493.88 is: 228,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,890.22 : 335,248.60 = 165,493.88 : x
  2. Step 2: Convert to fraction form
    242,890.22/335,248.60 = 165,493.88/x
  3. Step 3: Cross multiply
    242,890.22x = 335,248.60 × 165,493.88
  4. Step 4: Simplify right side
    242,890.22x = 55,481,591,578.57
  5. Step 5: Solve for x
    x = 55,481,591,578.57/242,890.22
  6. Step 6: Final answer
    x = 228,422.50

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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.