Home / 167,596.16-231,287.18-91,120.40

Finding the Fourth Proportional to 167,596.16, 231,287.18 and 91,120.40

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Solution

The fourth proportional to 167,596.16, 231,287.18 and 91,120.40 is: 125,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,596.16 : 231,287.18 = 91,120.40 : x
  2. Step 2: Convert to fraction form
    167,596.16/231,287.18 = 91,120.40/x
  3. Step 3: Cross multiply
    167,596.16x = 231,287.18 × 91,120.40
  4. Step 4: Simplify right side
    167,596.16x = 21,074,978,744.43
  5. Step 5: Solve for x
    x = 21,074,978,744.43/167,596.16
  6. Step 6: Final answer
    x = 125,748.58

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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.