Home / 131,294.76-196,814.61-104,575.56

Finding the Fourth Proportional to 131,294.76, 196,814.61 and 104,575.56

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Solution

The fourth proportional to 131,294.76, 196,814.61 and 104,575.56 is: 156,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,294.76 : 196,814.61 = 104,575.56 : x
  2. Step 2: Convert to fraction form
    131,294.76/196,814.61 = 104,575.56/x
  3. Step 3: Cross multiply
    131,294.76x = 196,814.61 × 104,575.56
  4. Step 4: Simplify right side
    131,294.76x = 20,581,998,056.93
  5. Step 5: Solve for x
    x = 20,581,998,056.93/131,294.76
  6. Step 6: Final answer
    x = 156,761.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.