Home / 445,574.71-668,537.03-196,081.75

Finding the Fourth Proportional to 445,574.71, 668,537.03 and 196,081.75

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Solution

The fourth proportional to 445,574.71, 668,537.03 and 196,081.75 is: 294,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,574.71 : 668,537.03 = 196,081.75 : x
  2. Step 2: Convert to fraction form
    445,574.71/668,537.03 = 196,081.75/x
  3. Step 3: Cross multiply
    445,574.71x = 668,537.03 × 196,081.75
  4. Step 4: Simplify right side
    445,574.71x = 131,087,910,782.20
  5. Step 5: Solve for x
    x = 131,087,910,782.20/445,574.71
  6. Step 6: Final answer
    x = 294,199.62

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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.