Home / 144,138.96-216,306.86-50,644.72

Finding the Fourth Proportional to 144,138.96, 216,306.86 and 50,644.72

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Solution

The fourth proportional to 144,138.96, 216,306.86 and 50,644.72 is: 76,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,138.96 : 216,306.86 = 50,644.72 : x
  2. Step 2: Convert to fraction form
    144,138.96/216,306.86 = 50,644.72/x
  3. Step 3: Cross multiply
    144,138.96x = 216,306.86 × 50,644.72
  4. Step 4: Simplify right side
    144,138.96x = 10,954,800,358.78
  5. Step 5: Solve for x
    x = 10,954,800,358.78/144,138.96
  6. Step 6: Final answer
    x = 76,001.66

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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.