Home / 144,098.46-198,855.10-83,683.94

Finding the Fourth Proportional to 144,098.46, 198,855.10 and 83,683.94

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Solution

The fourth proportional to 144,098.46, 198,855.10 and 83,683.94 is: 115,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,098.46 : 198,855.10 = 83,683.94 : x
  2. Step 2: Convert to fraction form
    144,098.46/198,855.10 = 83,683.94/x
  3. Step 3: Cross multiply
    144,098.46x = 198,855.10 × 83,683.94
  4. Step 4: Simplify right side
    144,098.46x = 16,640,978,257.09
  5. Step 5: Solve for x
    x = 16,640,978,257.09/144,098.46
  6. Step 6: Final answer
    x = 115,483.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.