Home / 203,933.96-281,418.82-113,295.72

Finding the Fourth Proportional to 203,933.96, 281,418.82 and 113,295.72

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Solution

The fourth proportional to 203,933.96, 281,418.82 and 113,295.72 is: 156,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,933.96 : 281,418.82 = 113,295.72 : x
  2. Step 2: Convert to fraction form
    203,933.96/281,418.82 = 113,295.72/x
  3. Step 3: Cross multiply
    203,933.96x = 281,418.82 × 113,295.72
  4. Step 4: Simplify right side
    203,933.96x = 31,883,547,833.45
  5. Step 5: Solve for x
    x = 31,883,547,833.45/203,933.96
  6. Step 6: Final answer
    x = 156,342.51

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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.