Home / 166,567.09-229,862.56-91,115.41

Finding the Fourth Proportional to 166,567.09, 229,862.56 and 91,115.41

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Solution

The fourth proportional to 166,567.09, 229,862.56 and 91,115.41 is: 125,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,567.09 : 229,862.56 = 91,115.41 : x
  2. Step 2: Convert to fraction form
    166,567.09/229,862.56 = 91,115.41/x
  3. Step 3: Cross multiply
    166,567.09x = 229,862.56 × 91,115.41
  4. Step 4: Simplify right side
    166,567.09x = 20,944,021,398.05
  5. Step 5: Solve for x
    x = 20,944,021,398.05/166,567.09
  6. Step 6: Final answer
    x = 125,739.25

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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.