Home / 274,987.38-412,473.51-87,996.18

Finding the Fourth Proportional to 274,987.38, 412,473.51 and 87,996.18

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Solution

The fourth proportional to 274,987.38, 412,473.51 and 87,996.18 is: 131,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,987.38 : 412,473.51 = 87,996.18 : x
  2. Step 2: Convert to fraction form
    274,987.38/412,473.51 = 87,996.18/x
  3. Step 3: Cross multiply
    274,987.38x = 412,473.51 × 87,996.18
  4. Step 4: Simplify right side
    274,987.38x = 36,296,093,231.19
  5. Step 5: Solve for x
    x = 36,296,093,231.19/274,987.38
  6. Step 6: Final answer
    x = 131,991.85

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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.