Home / 445,555.71-668,508.53-196,062.75

Finding the Fourth Proportional to 445,555.71, 668,508.53 and 196,062.75

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Solution

The fourth proportional to 445,555.71, 668,508.53 and 196,062.75 is: 294,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,555.71 : 668,508.53 = 196,062.75 : x
  2. Step 2: Convert to fraction form
    445,555.71/668,508.53 = 196,062.75/x
  3. Step 3: Cross multiply
    445,555.71x = 668,508.53 × 196,062.75
  4. Step 4: Simplify right side
    445,555.71x = 131,069,619,809.94
  5. Step 5: Solve for x
    x = 131,069,619,809.94/445,555.71
  6. Step 6: Final answer
    x = 294,171.11

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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.