Home / 140,334.86-193,659.84-76,671.29

Finding the Fourth Proportional to 140,334.86, 193,659.84 and 76,671.29

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Solution

The fourth proportional to 140,334.86, 193,659.84 and 76,671.29 is: 105,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.86 : 193,659.84 = 76,671.29 : x
  2. Step 2: Convert to fraction form
    140,334.86/193,659.84 = 76,671.29/x
  3. Step 3: Cross multiply
    140,334.86x = 193,659.84 × 76,671.29
  4. Step 4: Simplify right side
    140,334.86x = 14,848,149,753.99
  5. Step 5: Solve for x
    x = 14,848,149,753.99/140,334.86
  6. Step 6: Final answer
    x = 105,805.14

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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.