Home / 335,121.32-503,040.06-135,572.15

Finding the Fourth Proportional to 335,121.32, 503,040.06 and 135,572.15

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Solution

The fourth proportional to 335,121.32, 503,040.06 and 135,572.15 is: 203,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,121.32 : 503,040.06 = 135,572.15 : x
  2. Step 2: Convert to fraction form
    335,121.32/503,040.06 = 135,572.15/x
  3. Step 3: Cross multiply
    335,121.32x = 503,040.06 × 135,572.15
  4. Step 4: Simplify right side
    335,121.32x = 68,198,222,470.33
  5. Step 5: Solve for x
    x = 68,198,222,470.33/335,121.32
  6. Step 6: Final answer
    x = 203,503.09

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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.