Home / 166,918.88-230,347.92-91,467.20

Finding the Fourth Proportional to 166,918.88, 230,347.92 and 91,467.20

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Solution

The fourth proportional to 166,918.88, 230,347.92 and 91,467.20 is: 126,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,918.88 : 230,347.92 = 91,467.20 : x
  2. Step 2: Convert to fraction form
    166,918.88/230,347.92 = 91,467.20/x
  3. Step 3: Cross multiply
    166,918.88x = 230,347.92 × 91,467.20
  4. Step 4: Simplify right side
    166,918.88x = 21,069,279,268.22
  5. Step 5: Solve for x
    x = 21,069,279,268.22/166,918.88
  6. Step 6: Final answer
    x = 126,224.66

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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.