Home / 326,717.26-490,143.92-102,068.62

Finding the Fourth Proportional to 326,717.26, 490,143.92 and 102,068.62

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Solution

The fourth proportional to 326,717.26, 490,143.92 and 102,068.62 is: 153,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,717.26 : 490,143.92 = 102,068.62 : x
  2. Step 2: Convert to fraction form
    326,717.26/490,143.92 = 102,068.62/x
  3. Step 3: Cross multiply
    326,717.26x = 490,143.92 × 102,068.62
  4. Step 4: Simplify right side
    326,717.26x = 50,028,313,515.79
  5. Step 5: Solve for x
    x = 50,028,313,515.79/326,717.26
  6. Step 6: Final answer
    x = 153,124.18

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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.