Home / 167,839.68-251,759.52-115,089.12

Finding the Fourth Proportional to 167,839.68, 251,759.52 and 115,089.12

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Solution

The fourth proportional to 167,839.68, 251,759.52 and 115,089.12 is: 172,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.68 : 251,759.52 = 115,089.12 : x
  2. Step 2: Convert to fraction form
    167,839.68/251,759.52 = 115,089.12/x
  3. Step 3: Cross multiply
    167,839.68x = 251,759.52 × 115,089.12
  4. Step 4: Simplify right side
    167,839.68x = 28,974,781,608.42
  5. Step 5: Solve for x
    x = 28,974,781,608.42/167,839.68
  6. Step 6: Final answer
    x = 172,633.68

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1.5x scale

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.