Home / 203,620.42-281,029.89-113,005.49

Finding the Fourth Proportional to 203,620.42, 281,029.89 and 113,005.49

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Solution

The fourth proportional to 203,620.42, 281,029.89 and 113,005.49 is: 155,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,620.42 : 281,029.89 = 113,005.49 : x
  2. Step 2: Convert to fraction form
    203,620.42/281,029.89 = 113,005.49/x
  3. Step 3: Cross multiply
    203,620.42x = 281,029.89 × 113,005.49
  4. Step 4: Simplify right side
    203,620.42x = 31,757,920,424.10
  5. Step 5: Solve for x
    x = 31,757,920,424.10/203,620.42
  6. Step 6: Final answer
    x = 155,966.28

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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.