Home / 165,131.10-227,975.45-108,706.50

Finding the Fourth Proportional to 165,131.10, 227,975.45 and 108,706.50

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Solution

The fourth proportional to 165,131.10, 227,975.45 and 108,706.50 is: 150,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,131.10 : 227,975.45 = 108,706.50 : x
  2. Step 2: Convert to fraction form
    165,131.10/227,975.45 = 108,706.50/x
  3. Step 3: Cross multiply
    165,131.10x = 227,975.45 × 108,706.50
  4. Step 4: Simplify right side
    165,131.10x = 24,782,412,711.89
  5. Step 5: Solve for x
    x = 24,782,412,711.89/165,131.10
  6. Step 6: Final answer
    x = 150,077.20

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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.