Home / 150,160.09-207,218.15-82,175.69

Finding the Fourth Proportional to 150,160.09, 207,218.15 and 82,175.69

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Solution

The fourth proportional to 150,160.09, 207,218.15 and 82,175.69 is: 113,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,160.09 : 207,218.15 = 82,175.69 : x
  2. Step 2: Convert to fraction form
    150,160.09/207,218.15 = 82,175.69/x
  3. Step 3: Cross multiply
    150,160.09x = 207,218.15 × 82,175.69
  4. Step 4: Simplify right side
    150,160.09x = 17,028,294,289.30
  5. Step 5: Solve for x
    x = 17,028,294,289.30/150,160.09
  6. Step 6: Final answer
    x = 113,400.94

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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.