Home / 252,319.30-378,500.82-92,438.66

Finding the Fourth Proportional to 252,319.30, 378,500.82 and 92,438.66

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Solution

The fourth proportional to 252,319.30, 378,500.82 and 92,438.66 is: 138,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,319.30 : 378,500.82 = 92,438.66 : x
  2. Step 2: Convert to fraction form
    252,319.30/378,500.82 = 92,438.66/x
  3. Step 3: Cross multiply
    252,319.30x = 378,500.82 × 92,438.66
  4. Step 4: Simplify right side
    252,319.30x = 34,988,108,609.70
  5. Step 5: Solve for x
    x = 34,988,108,609.70/252,319.30
  6. Step 6: Final answer
    x = 138,666.00

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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.