Home / 100,849.15-151,179.76-34,243.73

Finding the Fourth Proportional to 100,849.15, 151,179.76 and 34,243.73

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Solution

The fourth proportional to 100,849.15, 151,179.76 and 34,243.73 is: 51,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849.15 : 151,179.76 = 34,243.73 : x
  2. Step 2: Convert to fraction form
    100,849.15/151,179.76 = 34,243.73/x
  3. Step 3: Cross multiply
    100,849.15x = 151,179.76 × 34,243.73
  4. Step 4: Simplify right side
    100,849.15x = 5,176,957,955.79
  5. Step 5: Solve for x
    x = 5,176,957,955.79/100,849.15
  6. Step 6: Final answer
    x = 51,333.68

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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.