Home / 167,436.56-231,066.30-90,958.70

Finding the Fourth Proportional to 167,436.56, 231,066.30 and 90,958.70

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Solution

The fourth proportional to 167,436.56, 231,066.30 and 90,958.70 is: 125,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,436.56 : 231,066.30 = 90,958.70 : x
  2. Step 2: Convert to fraction form
    167,436.56/231,066.30 = 90,958.70/x
  3. Step 3: Cross multiply
    167,436.56x = 231,066.30 × 90,958.70
  4. Step 4: Simplify right side
    167,436.56x = 21,017,490,261.81
  5. Step 5: Solve for x
    x = 21,017,490,261.81/167,436.56
  6. Step 6: Final answer
    x = 125,525.10

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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.