Home / 167,825.56-251,739-67,987.64

Finding the Fourth Proportional to 167,825.56, 251,739 and 67,987.64

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Solution

The fourth proportional to 167,825.56, 251,739 and 67,987.64 is: 101,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,825.56 : 251,739 = 67,987.64 : x
  2. Step 2: Convert to fraction form
    167,825.56/251,739 = 67,987.64/x
  3. Step 3: Cross multiply
    167,825.56x = 251,739 × 67,987.64
  4. Step 4: Simplify right side
    167,825.56x = 17,115,140,505.96
  5. Step 5: Solve for x
    x = 17,115,140,505.96/167,825.56
  6. Step 6: Final answer
    x = 101,981.73

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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.