Home / 140,494.82-193,884.39-76,831.25

Finding the Fourth Proportional to 140,494.82, 193,884.39 and 76,831.25

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Solution

The fourth proportional to 140,494.82, 193,884.39 and 76,831.25 is: 106,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,494.82 : 193,884.39 = 76,831.25 : x
  2. Step 2: Convert to fraction form
    140,494.82/193,884.39 = 76,831.25/x
  3. Step 3: Cross multiply
    140,494.82x = 193,884.39 × 76,831.25
  4. Step 4: Simplify right side
    140,494.82x = 14,896,379,655.03
  5. Step 5: Solve for x
    x = 14,896,379,655.03/140,494.82
  6. Step 6: Final answer
    x = 106,027.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.