Home / 192,384.21-288,576.31-52,142.83

Finding the Fourth Proportional to 192,384.21, 288,576.31 and 52,142.83

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Solution

The fourth proportional to 192,384.21, 288,576.31 and 52,142.83 is: 78,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.21 : 288,576.31 = 52,142.83 : x
  2. Step 2: Convert to fraction form
    192,384.21/288,576.31 = 52,142.83/x
  3. Step 3: Cross multiply
    192,384.21x = 288,576.31 × 52,142.83
  4. Step 4: Simplify right side
    192,384.21x = 15,047,185,474.36
  5. Step 5: Solve for x
    x = 15,047,185,474.36/192,384.21
  6. Step 6: Final answer
    x = 78,214.25

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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.