Home / 121,333.20-181,990.94-41,364.56

Finding the Fourth Proportional to 121,333.20, 181,990.94 and 41,364.56

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Solution

The fourth proportional to 121,333.20, 181,990.94 and 41,364.56 is: 62,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,333.20 : 181,990.94 = 41,364.56 : x
  2. Step 2: Convert to fraction form
    121,333.20/181,990.94 = 41,364.56/x
  3. Step 3: Cross multiply
    121,333.20x = 181,990.94 × 41,364.56
  4. Step 4: Simplify right side
    121,333.20x = 7,527,974,040.31
  5. Step 5: Solve for x
    x = 7,527,974,040.31/121,333.20
  6. Step 6: Final answer
    x = 62,043.81

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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.