Home / 206,100.56-309,148.41-116,150.06

Finding the Fourth Proportional to 206,100.56, 309,148.41 and 116,150.06

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Solution

The fourth proportional to 206,100.56, 309,148.41 and 116,150.06 is: 174,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,100.56 : 309,148.41 = 116,150.06 : x
  2. Step 2: Convert to fraction form
    206,100.56/309,148.41 = 116,150.06/x
  3. Step 3: Cross multiply
    206,100.56x = 309,148.41 × 116,150.06
  4. Step 4: Simplify right side
    206,100.56x = 35,907,606,370.40
  5. Step 5: Solve for x
    x = 35,907,606,370.40/206,100.56
  6. Step 6: Final answer
    x = 174,223.72

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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.