Home / 167,530.40-231,193.74-91,049.49

Finding the Fourth Proportional to 167,530.40, 231,193.74 and 91,049.49

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Solution

The fourth proportional to 167,530.40, 231,193.74 and 91,049.49 is: 125,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530.40 : 231,193.74 = 91,049.49 : x
  2. Step 2: Convert to fraction form
    167,530.40/231,193.74 = 91,049.49/x
  3. Step 3: Cross multiply
    167,530.40x = 231,193.74 × 91,049.49
  4. Step 4: Simplify right side
    167,530.40x = 21,050,073,109.86
  5. Step 5: Solve for x
    x = 21,050,073,109.86/167,530.40
  6. Step 6: Final answer
    x = 125,649.27

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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.