Home / 192,083.40-288,125.10-108,102.60

Finding the Fourth Proportional to 192,083.40, 288,125.10 and 108,102.60

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Solution

The fourth proportional to 192,083.40, 288,125.10 and 108,102.60 is: 162,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,083.40 : 288,125.10 = 108,102.60 : x
  2. Step 2: Convert to fraction form
    192,083.40/288,125.10 = 108,102.60/x
  3. Step 3: Cross multiply
    192,083.40x = 288,125.10 × 108,102.60
  4. Step 4: Simplify right side
    192,083.40x = 31,147,072,435.26
  5. Step 5: Solve for x
    x = 31,147,072,435.26/192,083.40
  6. Step 6: Final answer
    x = 162,153.90

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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.