Home / 206,619.37-285,115.04-115,954.55

Finding the Fourth Proportional to 206,619.37, 285,115.04 and 115,954.55

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Solution

The fourth proportional to 206,619.37, 285,115.04 and 115,954.55 is: 160,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,619.37 : 285,115.04 = 115,954.55 : x
  2. Step 2: Convert to fraction form
    206,619.37/285,115.04 = 115,954.55/x
  3. Step 3: Cross multiply
    206,619.37x = 285,115.04 × 115,954.55
  4. Step 4: Simplify right side
    206,619.37x = 33,060,386,161.43
  5. Step 5: Solve for x
    x = 33,060,386,161.43/206,619.37
  6. Step 6: Final answer
    x = 160,006.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.