Home / 171,337.26-236,519.56-128,906.22

Finding the Fourth Proportional to 171,337.26, 236,519.56 and 128,906.22

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Solution

The fourth proportional to 171,337.26, 236,519.56 and 128,906.22 is: 177,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,337.26 : 236,519.56 = 128,906.22 : x
  2. Step 2: Convert to fraction form
    171,337.26/236,519.56 = 128,906.22/x
  3. Step 3: Cross multiply
    171,337.26x = 236,519.56 × 128,906.22
  4. Step 4: Simplify right side
    171,337.26x = 30,488,842,435.66
  5. Step 5: Solve for x
    x = 30,488,842,435.66/171,337.26
  6. Step 6: Final answer
    x = 177,946.36

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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.