Home / 281,748.23-422,671.55-123,972.58

Finding the Fourth Proportional to 281,748.23, 422,671.55 and 123,972.58

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Solution

The fourth proportional to 281,748.23, 422,671.55 and 123,972.58 is: 185,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,748.23 : 422,671.55 = 123,972.58 : x
  2. Step 2: Convert to fraction form
    281,748.23/422,671.55 = 123,972.58/x
  3. Step 3: Cross multiply
    281,748.23x = 422,671.55 × 123,972.58
  4. Step 4: Simplify right side
    281,748.23x = 52,399,682,546.10
  5. Step 5: Solve for x
    x = 52,399,682,546.10/281,748.23
  6. Step 6: Final answer
    x = 185,980.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.