Home / 142,729.20-214,096.20-54,024.48

Finding the Fourth Proportional to 142,729.20, 214,096.20 and 54,024.48

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Solution

The fourth proportional to 142,729.20, 214,096.20 and 54,024.48 is: 81,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,729.20 : 214,096.20 = 54,024.48 : x
  2. Step 2: Convert to fraction form
    142,729.20/214,096.20 = 54,024.48/x
  3. Step 3: Cross multiply
    142,729.20x = 214,096.20 × 54,024.48
  4. Step 4: Simplify right side
    142,729.20x = 11,566,435,874.98
  5. Step 5: Solve for x
    x = 11,566,435,874.98/142,729.20
  6. Step 6: Final answer
    x = 81,037.63

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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.