Home / 167,467.12-231,104.28-90,986.48

Finding the Fourth Proportional to 167,467.12, 231,104.28 and 90,986.48

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Solution

The fourth proportional to 167,467.12, 231,104.28 and 90,986.48 is: 125,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,467.12 : 231,104.28 = 90,986.48 : x
  2. Step 2: Convert to fraction form
    167,467.12/231,104.28 = 90,986.48/x
  3. Step 3: Cross multiply
    167,467.12x = 231,104.28 × 90,986.48
  4. Step 4: Simplify right side
    167,467.12x = 21,027,364,950.13
  5. Step 5: Solve for x
    x = 21,027,364,950.13/167,467.12
  6. Step 6: Final answer
    x = 125,561.15

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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.