Home / 203,674.12-281,036.22-113,015.68

Finding the Fourth Proportional to 203,674.12, 281,036.22 and 113,015.68

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Solution

The fourth proportional to 203,674.12, 281,036.22 and 113,015.68 is: 155,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,674.12 : 281,036.22 = 113,015.68 : x
  2. Step 2: Convert to fraction form
    203,674.12/281,036.22 = 113,015.68/x
  3. Step 3: Cross multiply
    203,674.12x = 281,036.22 × 113,015.68
  4. Step 4: Simplify right side
    203,674.12x = 31,761,499,507.93
  5. Step 5: Solve for x
    x = 31,761,499,507.93/203,674.12
  6. Step 6: Final answer
    x = 155,942.74

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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.