Home / 147,892.30-221,449.65-108,234.70

Finding the Fourth Proportional to 147,892.30, 221,449.65 and 108,234.70

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Solution

The fourth proportional to 147,892.30, 221,449.65 and 108,234.70 is: 162,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,892.30 : 221,449.65 = 108,234.70 : x
  2. Step 2: Convert to fraction form
    147,892.30/221,449.65 = 108,234.70/x
  3. Step 3: Cross multiply
    147,892.30x = 221,449.65 × 108,234.70
  4. Step 4: Simplify right side
    147,892.30x = 23,968,536,432.86
  5. Step 5: Solve for x
    x = 23,968,536,432.86/147,892.30
  6. Step 6: Final answer
    x = 162,067.51

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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.