Home / 168,221.52-232,142.79-91,741.23

Finding the Fourth Proportional to 168,221.52, 232,142.79 and 91,741.23

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Solution

The fourth proportional to 168,221.52, 232,142.79 and 91,741.23 is: 126,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,221.52 : 232,142.79 = 91,741.23 : x
  2. Step 2: Convert to fraction form
    168,221.52/232,142.79 = 91,741.23/x
  3. Step 3: Cross multiply
    168,221.52x = 232,142.79 × 91,741.23
  4. Step 4: Simplify right side
    168,221.52x = 21,297,065,090.23
  5. Step 5: Solve for x
    x = 21,297,065,090.23/168,221.52
  6. Step 6: Final answer
    x = 126,601.31

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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.