Home / 140,538.27-193,947.48-76,876.14

Finding the Fourth Proportional to 140,538.27, 193,947.48 and 76,876.14

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Solution

The fourth proportional to 140,538.27, 193,947.48 and 76,876.14 is: 106,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,538.27 : 193,947.48 = 76,876.14 : x
  2. Step 2: Convert to fraction form
    140,538.27/193,947.48 = 76,876.14/x
  3. Step 3: Cross multiply
    140,538.27x = 193,947.48 × 76,876.14
  4. Step 4: Simplify right side
    140,538.27x = 14,909,933,625.13
  5. Step 5: Solve for x
    x = 14,909,933,625.13/140,538.27
  6. Step 6: Final answer
    x = 106,091.63

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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.