Home / 203,972.77-281,439.12-119,051.56

Finding the Fourth Proportional to 203,972.77, 281,439.12 and 119,051.56

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Solution

The fourth proportional to 203,972.77, 281,439.12 and 119,051.56 is: 164,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,972.77 : 281,439.12 = 119,051.56 : x
  2. Step 2: Convert to fraction form
    203,972.77/281,439.12 = 119,051.56/x
  3. Step 3: Cross multiply
    203,972.77x = 281,439.12 × 119,051.56
  4. Step 4: Simplify right side
    203,972.77x = 33,505,766,281.03
  5. Step 5: Solve for x
    x = 33,505,766,281.03/203,972.77
  6. Step 6: Final answer
    x = 164,265.88

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1.5x scale

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.