Home / 140,570.24-193,991.55-76,906.58

Finding the Fourth Proportional to 140,570.24, 193,991.55 and 76,906.58

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Solution

The fourth proportional to 140,570.24, 193,991.55 and 76,906.58 is: 106,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,570.24 : 193,991.55 = 76,906.58 : x
  2. Step 2: Convert to fraction form
    140,570.24/193,991.55 = 76,906.58/x
  3. Step 3: Cross multiply
    140,570.24x = 193,991.55 × 76,906.58
  4. Step 4: Simplify right side
    140,570.24x = 14,919,226,659.40
  5. Step 5: Solve for x
    x = 14,919,226,659.40/140,570.24
  6. Step 6: Final answer
    x = 106,133.61

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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.