Home / 325,764.95-487,982.21-167,661.25

Finding the Fourth Proportional to 325,764.95, 487,982.21 and 167,661.25

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Solution

The fourth proportional to 325,764.95, 487,982.21 and 167,661.25 is: 251,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,764.95 : 487,982.21 = 167,661.25 : x
  2. Step 2: Convert to fraction form
    325,764.95/487,982.21 = 167,661.25/x
  3. Step 3: Cross multiply
    325,764.95x = 487,982.21 × 167,661.25
  4. Step 4: Simplify right side
    325,764.95x = 81,815,706,468.06
  5. Step 5: Solve for x
    x = 81,815,706,468.06/325,764.95
  6. Step 6: Final answer
    x = 251,149.51

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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.