Home / 206,271.20-309,357.66-116,352.56

Finding the Fourth Proportional to 206,271.20, 309,357.66 and 116,352.56

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Solution

The fourth proportional to 206,271.20, 309,357.66 and 116,352.56 is: 174,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,271.20 : 309,357.66 = 116,352.56 : x
  2. Step 2: Convert to fraction form
    206,271.20/309,357.66 = 116,352.56/x
  3. Step 3: Cross multiply
    206,271.20x = 309,357.66 × 116,352.56
  4. Step 4: Simplify right side
    206,271.20x = 35,994,555,696.61
  5. Step 5: Solve for x
    x = 35,994,555,696.61/206,271.20
  6. Step 6: Final answer
    x = 174,501.12

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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.