Home / 252,654.28-378,930.16-92,675.76

Finding the Fourth Proportional to 252,654.28, 378,930.16 and 92,675.76

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Solution

The fourth proportional to 252,654.28, 378,930.16 and 92,675.76 is: 138,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,654.28 : 378,930.16 = 92,675.76 : x
  2. Step 2: Convert to fraction form
    252,654.28/378,930.16 = 92,675.76/x
  3. Step 3: Cross multiply
    252,654.28x = 378,930.16 × 92,675.76
  4. Step 4: Simplify right side
    252,654.28x = 35,117,639,259.78
  5. Step 5: Solve for x
    x = 35,117,639,259.78/252,654.28
  6. Step 6: Final answer
    x = 138,994.83

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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.