Home / 206,319.29-309,523.47-64,161.79

Finding the Fourth Proportional to 206,319.29, 309,523.47 and 64,161.79

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Solution

The fourth proportional to 206,319.29, 309,523.47 and 64,161.79 is: 96,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,319.29 : 309,523.47 = 64,161.79 : x
  2. Step 2: Convert to fraction form
    206,319.29/309,523.47 = 64,161.79/x
  3. Step 3: Cross multiply
    206,319.29x = 309,523.47 × 64,161.79
  4. Step 4: Simplify right side
    206,319.29x = 19,859,578,867.80
  5. Step 5: Solve for x
    x = 19,859,578,867.80/206,319.29
  6. Step 6: Final answer
    x = 96,256.53

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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.