Home / 206,835.83-309,966.70-94,240.87

Finding the Fourth Proportional to 206,835.83, 309,966.70 and 94,240.87

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Solution

The fourth proportional to 206,835.83, 309,966.70 and 94,240.87 is: 141,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,835.83 : 309,966.70 = 94,240.87 : x
  2. Step 2: Convert to fraction form
    206,835.83/309,966.70 = 94,240.87/x
  3. Step 3: Cross multiply
    206,835.83x = 309,966.70 × 94,240.87
  4. Step 4: Simplify right side
    206,835.83x = 29,211,530,645.21
  5. Step 5: Solve for x
    x = 29,211,530,645.21/206,835.83
  6. Step 6: Final answer
    x = 141,230.52

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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.