Home / 297,261.06-445,890.01-72,622.75

Finding the Fourth Proportional to 297,261.06, 445,890.01 and 72,622.75

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Solution

The fourth proportional to 297,261.06, 445,890.01 and 72,622.75 is: 108,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,261.06 : 445,890.01 = 72,622.75 : x
  2. Step 2: Convert to fraction form
    297,261.06/445,890.01 = 72,622.75/x
  3. Step 3: Cross multiply
    297,261.06x = 445,890.01 × 72,622.75
  4. Step 4: Simplify right side
    297,261.06x = 32,381,758,723.73
  5. Step 5: Solve for x
    x = 32,381,758,723.73/297,261.06
  6. Step 6: Final answer
    x = 108,933.74

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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.