Home / 168,012.09-231,865.34-92,560.59

Finding the Fourth Proportional to 168,012.09, 231,865.34 and 92,560.59

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Solution

The fourth proportional to 168,012.09, 231,865.34 and 92,560.59 is: 127,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,012.09 : 231,865.34 = 92,560.59 : x
  2. Step 2: Convert to fraction form
    168,012.09/231,865.34 = 92,560.59/x
  3. Step 3: Cross multiply
    168,012.09x = 231,865.34 × 92,560.59
  4. Step 4: Simplify right side
    168,012.09x = 21,461,592,208.15
  5. Step 5: Solve for x
    x = 21,461,592,208.15/168,012.09
  6. Step 6: Final answer
    x = 127,738.38

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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.