Home / 203,998.03-281,523.63-112,115.65

Finding the Fourth Proportional to 203,998.03, 281,523.63 and 112,115.65

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Solution

The fourth proportional to 203,998.03, 281,523.63 and 112,115.65 is: 154,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,998.03 : 281,523.63 = 112,115.65 : x
  2. Step 2: Convert to fraction form
    203,998.03/281,523.63 = 112,115.65/x
  3. Step 3: Cross multiply
    203,998.03x = 281,523.63 × 112,115.65
  4. Step 4: Simplify right side
    203,998.03x = 31,563,204,381.64
  5. Step 5: Solve for x
    x = 31,563,204,381.64/203,998.03
  6. Step 6: Final answer
    x = 154,723.08

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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.