Home / 297,981.25-447,252.77-108,624.63

Finding the Fourth Proportional to 297,981.25, 447,252.77 and 108,624.63

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Solution

The fourth proportional to 297,981.25, 447,252.77 and 108,624.63 is: 163,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,981.25 : 447,252.77 = 108,624.63 : x
  2. Step 2: Convert to fraction form
    297,981.25/447,252.77 = 108,624.63/x
  3. Step 3: Cross multiply
    297,981.25x = 447,252.77 × 108,624.63
  4. Step 4: Simplify right side
    297,981.25x = 48,582,666,657.73
  5. Step 5: Solve for x
    x = 48,582,666,657.73/297,981.25
  6. Step 6: Final answer
    x = 163,039.34

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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.