Home / 209,141.43-313,665.03-59,378.64

Finding the Fourth Proportional to 209,141.43, 313,665.03 and 59,378.64

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Solution

The fourth proportional to 209,141.43, 313,665.03 and 59,378.64 is: 89,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,141.43 : 313,665.03 = 59,378.64 : x
  2. Step 2: Convert to fraction form
    209,141.43/313,665.03 = 59,378.64/x
  3. Step 3: Cross multiply
    209,141.43x = 313,665.03 × 59,378.64
  4. Step 4: Simplify right side
    209,141.43x = 18,625,002,896.96
  5. Step 5: Solve for x
    x = 18,625,002,896.96/209,141.43
  6. Step 6: Final answer
    x = 89,054.58

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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.