Home / 170,516.12-255,847.86-91,538.04

Finding the Fourth Proportional to 170,516.12, 255,847.86 and 91,538.04

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Solution

The fourth proportional to 170,516.12, 255,847.86 and 91,538.04 is: 137,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,516.12 : 255,847.86 = 91,538.04 : x
  2. Step 2: Convert to fraction form
    170,516.12/255,847.86 = 91,538.04/x
  3. Step 3: Cross multiply
    170,516.12x = 255,847.86 × 91,538.04
  4. Step 4: Simplify right side
    170,516.12x = 23,419,811,642.59
  5. Step 5: Solve for x
    x = 23,419,811,642.59/170,516.12
  6. Step 6: Final answer
    x = 137,346.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.