Home / 114,212.25-171,396.14-68,659.47

Finding the Fourth Proportional to 114,212.25, 171,396.14 and 68,659.47

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Solution

The fourth proportional to 114,212.25, 171,396.14 and 68,659.47 is: 103,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,212.25 : 171,396.14 = 68,659.47 : x
  2. Step 2: Convert to fraction form
    114,212.25/171,396.14 = 68,659.47/x
  3. Step 3: Cross multiply
    114,212.25x = 171,396.14 × 68,659.47
  4. Step 4: Simplify right side
    114,212.25x = 11,767,967,789.15
  5. Step 5: Solve for x
    x = 11,767,967,789.15/114,212.25
  6. Step 6: Final answer
    x = 103,035.95

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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.