Home / 167,157.12-230,696.64-100,087.68

Finding the Fourth Proportional to 167,157.12, 230,696.64 and 100,087.68

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Solution

The fourth proportional to 167,157.12, 230,696.64 and 100,087.68 is: 138,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,157.12 : 230,696.64 = 100,087.68 : x
  2. Step 2: Convert to fraction form
    167,157.12/230,696.64 = 100,087.68/x
  3. Step 3: Cross multiply
    167,157.12x = 230,696.64 × 100,087.68
  4. Step 4: Simplify right side
    167,157.12x = 23,089,891,481.40
  5. Step 5: Solve for x
    x = 23,089,891,481.40/167,157.12
  6. Step 6: Final answer
    x = 138,132.86

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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.