Home / 167,406.55-231,022.73-90,926.38

Finding the Fourth Proportional to 167,406.55, 231,022.73 and 90,926.38

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Solution

The fourth proportional to 167,406.55, 231,022.73 and 90,926.38 is: 125,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,406.55 : 231,022.73 = 90,926.38 : x
  2. Step 2: Convert to fraction form
    167,406.55/231,022.73 = 90,926.38/x
  3. Step 3: Cross multiply
    167,406.55x = 231,022.73 × 90,926.38
  4. Step 4: Simplify right side
    167,406.55x = 21,006,061,052.71
  5. Step 5: Solve for x
    x = 21,006,061,052.71/167,406.55
  6. Step 6: Final answer
    x = 125,479.33

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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.