Home / 144,981.89-217,420.68-50,186.37

Finding the Fourth Proportional to 144,981.89, 217,420.68 and 50,186.37

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Solution

The fourth proportional to 144,981.89, 217,420.68 and 50,186.37 is: 75,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981.89 : 217,420.68 = 50,186.37 : x
  2. Step 2: Convert to fraction form
    144,981.89/217,420.68 = 50,186.37/x
  3. Step 3: Cross multiply
    144,981.89x = 217,420.68 × 50,186.37
  4. Step 4: Simplify right side
    144,981.89x = 10,911,554,880.33
  5. Step 5: Solve for x
    x = 10,911,554,880.33/144,981.89
  6. Step 6: Final answer
    x = 75,261.51

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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.