Home / 152,787.20-229,183.76-52,950.68

Finding the Fourth Proportional to 152,787.20, 229,183.76 and 52,950.68

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Solution

The fourth proportional to 152,787.20, 229,183.76 and 52,950.68 is: 79,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,787.20 : 229,183.76 = 52,950.68 : x
  2. Step 2: Convert to fraction form
    152,787.20/229,183.76 = 52,950.68/x
  3. Step 3: Cross multiply
    152,787.20x = 229,183.76 × 52,950.68
  4. Step 4: Simplify right side
    152,787.20x = 12,135,435,936.96
  5. Step 5: Solve for x
    x = 12,135,435,936.96/152,787.20
  6. Step 6: Final answer
    x = 79,427.05

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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.