Home / 273,003.10-409,504.65-252,007.90

Finding the Fourth Proportional to 273,003.10, 409,504.65 and 252,007.90

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Solution

The fourth proportional to 273,003.10, 409,504.65 and 252,007.90 is: 378,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,003.10 : 409,504.65 = 252,007.90 : x
  2. Step 2: Convert to fraction form
    273,003.10/409,504.65 = 252,007.90/x
  3. Step 3: Cross multiply
    273,003.10x = 409,504.65 × 252,007.90
  4. Step 4: Simplify right side
    273,003.10x = 103,198,406,886.74
  5. Step 5: Solve for x
    x = 103,198,406,886.74/273,003.10
  6. Step 6: Final answer
    x = 378,011.85

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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.