Home / 167,596.31-231,287.48-91,120.55

Finding the Fourth Proportional to 167,596.31, 231,287.48 and 91,120.55

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Solution

The fourth proportional to 167,596.31, 231,287.48 and 91,120.55 is: 125,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,596.31 : 231,287.48 = 91,120.55 : x
  2. Step 2: Convert to fraction form
    167,596.31/231,287.48 = 91,120.55/x
  3. Step 3: Cross multiply
    167,596.31x = 231,287.48 × 91,120.55
  4. Step 4: Simplify right side
    167,596.31x = 21,075,041,930.11
  5. Step 5: Solve for x
    x = 21,075,041,930.11/167,596.31
  6. Step 6: Final answer
    x = 125,748.84

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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.