Home / 129,227.28-193,823.76-49,243.68

Finding the Fourth Proportional to 129,227.28, 193,823.76 and 49,243.68

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Solution

The fourth proportional to 129,227.28, 193,823.76 and 49,243.68 is: 73,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,227.28 : 193,823.76 = 49,243.68 : x
  2. Step 2: Convert to fraction form
    129,227.28/193,823.76 = 49,243.68/x
  3. Step 3: Cross multiply
    129,227.28x = 193,823.76 × 49,243.68
  4. Step 4: Simplify right side
    129,227.28x = 9,544,595,213.84
  5. Step 5: Solve for x
    x = 9,544,595,213.84/129,227.28
  6. Step 6: Final answer
    x = 73,858.98

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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.