Home / 140,383.86-193,671.70-102,059.38

Finding the Fourth Proportional to 140,383.86, 193,671.70 and 102,059.38

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Solution

The fourth proportional to 140,383.86, 193,671.70 and 102,059.38 is: 140,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,383.86 : 193,671.70 = 102,059.38 : x
  2. Step 2: Convert to fraction form
    140,383.86/193,671.70 = 102,059.38/x
  3. Step 3: Cross multiply
    140,383.86x = 193,671.70 × 102,059.38
  4. Step 4: Simplify right side
    140,383.86x = 19,766,013,625.55
  5. Step 5: Solve for x
    x = 19,766,013,625.55/140,383.86
  6. Step 6: Final answer
    x = 140,799.76

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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.