Home / 144,142.11-216,220.46-55,364.49

Finding the Fourth Proportional to 144,142.11, 216,220.46 and 55,364.49

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Solution

The fourth proportional to 144,142.11, 216,220.46 and 55,364.49 is: 83,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,142.11 : 216,220.46 = 55,364.49 : x
  2. Step 2: Convert to fraction form
    144,142.11/216,220.46 = 55,364.49/x
  3. Step 3: Cross multiply
    144,142.11x = 216,220.46 × 55,364.49
  4. Step 4: Simplify right side
    144,142.11x = 11,970,935,218.64
  5. Step 5: Solve for x
    x = 11,970,935,218.64/144,142.11
  6. Step 6: Final answer
    x = 83,049.54

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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.