Home / 445,719.67-668,677.91-165,236.92

Finding the Fourth Proportional to 445,719.67, 668,677.91 and 165,236.92

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Solution

The fourth proportional to 445,719.67, 668,677.91 and 165,236.92 is: 247,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,719.67 : 668,677.91 = 165,236.92 : x
  2. Step 2: Convert to fraction form
    445,719.67/668,677.91 = 165,236.92/x
  3. Step 3: Cross multiply
    445,719.67x = 668,677.91 × 165,236.92
  4. Step 4: Simplify right side
    445,719.67x = 110,490,275,822.56
  5. Step 5: Solve for x
    x = 110,490,275,822.56/445,719.67
  6. Step 6: Final answer
    x = 247,891.86

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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.