Home / 197,377.20-272,376.84-120,884.04

Finding the Fourth Proportional to 197,377.20, 272,376.84 and 120,884.04

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Solution

The fourth proportional to 197,377.20, 272,376.84 and 120,884.04 is: 166,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,377.20 : 272,376.84 = 120,884.04 : x
  2. Step 2: Convert to fraction form
    197,377.20/272,376.84 = 120,884.04/x
  3. Step 3: Cross multiply
    197,377.20x = 272,376.84 × 120,884.04
  4. Step 4: Simplify right side
    197,377.20x = 32,926,012,821.63
  5. Step 5: Solve for x
    x = 32,926,012,821.63/197,377.20
  6. Step 6: Final answer
    x = 166,817.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.